Home / 7,515.77-11,211.00-6,885.05

Finding the Fourth Proportional to 7,515.77, 11,211.00 and 6,885.05

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Solution

The fourth proportional to 7,515.77, 11,211.00 and 6,885.05 is: 10,270.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.77 : 11,211.00 = 6,885.05 : x
  2. Step 2: Convert to fraction form
    7,515.77/11,211.00 = 6,885.05/x
  3. Step 3: Cross multiply
    7,515.77x = 11,211.00 × 6,885.05
  4. Step 4: Simplify right side
    7,515.77x = 77,188,213.68
  5. Step 5: Solve for x
    x = 77,188,213.68/7,515.77
  6. Step 6: Final answer
    x = 10,270.17

Related Problems

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Half scale
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Double scale
Find fourth proportional to 7,516.77, 11,212.49 and 6,886.05
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.