Home / 5,753.60-7,940.24-3,515.10

Finding the Fourth Proportional to 5,753.60, 7,940.24 and 3,515.10

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Solution

The fourth proportional to 5,753.60, 7,940.24 and 3,515.10 is: 4,851.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,753.60 : 7,940.24 = 3,515.10 : x
  2. Step 2: Convert to fraction form
    5,753.60/7,940.24 = 3,515.10/x
  3. Step 3: Cross multiply
    5,753.60x = 7,940.24 × 3,515.10
  4. Step 4: Simplify right side
    5,753.60x = 27,910,720.05
  5. Step 5: Solve for x
    x = 27,910,720.05/5,753.60
  6. Step 6: Final answer
    x = 4,851.01

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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.