Home / 7,039.41-10,559.11-1,845.28

Finding the Fourth Proportional to 7,039.41, 10,559.11 and 1,845.28

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Solution

The fourth proportional to 7,039.41, 10,559.11 and 1,845.28 is: 2,767.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.41 : 10,559.11 = 1,845.28 : x
  2. Step 2: Convert to fraction form
    7,039.41/10,559.11 = 1,845.28/x
  3. Step 3: Cross multiply
    7,039.41x = 10,559.11 × 1,845.28
  4. Step 4: Simplify right side
    7,039.41x = 19,484,526.55
  5. Step 5: Solve for x
    x = 19,484,526.55/7,039.41
  6. Step 6: Final answer
    x = 2,767.92

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.