Home / 7,781.13-10,737.99-4,244.40

Finding the Fourth Proportional to 7,781.13, 10,737.99 and 4,244.40

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Solution

The fourth proportional to 7,781.13, 10,737.99 and 4,244.40 is: 5,857.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,781.13 : 10,737.99 = 4,244.40 : x
  2. Step 2: Convert to fraction form
    7,781.13/10,737.99 = 4,244.40/x
  3. Step 3: Cross multiply
    7,781.13x = 10,737.99 × 4,244.40
  4. Step 4: Simplify right side
    7,781.13x = 45,576,324.76
  5. Step 5: Solve for x
    x = 45,576,324.76/7,781.13
  6. Step 6: Final answer
    x = 5,857.29

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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.