Home / 7,381.46-10,187.02-4,238.26

Finding the Fourth Proportional to 7,381.46, 10,187.02 and 4,238.26

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Solution

The fourth proportional to 7,381.46, 10,187.02 and 4,238.26 is: 5,849.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.46 : 10,187.02 = 4,238.26 : x
  2. Step 2: Convert to fraction form
    7,381.46/10,187.02 = 4,238.26/x
  3. Step 3: Cross multiply
    7,381.46x = 10,187.02 × 4,238.26
  4. Step 4: Simplify right side
    7,381.46x = 43,175,239.39
  5. Step 5: Solve for x
    x = 43,175,239.39/7,381.46
  6. Step 6: Final answer
    x = 5,849.15

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Half scale
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Double scale
Find fourth proportional to 7,382.46, 10,188.40 and 4,239.26
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.