Home / 5,127.64-7,073.61-3,213.11

Finding the Fourth Proportional to 5,127.64, 7,073.61 and 3,213.11

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Solution

The fourth proportional to 5,127.64, 7,073.61 and 3,213.11 is: 4,432.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.64 : 7,073.61 = 3,213.11 : x
  2. Step 2: Convert to fraction form
    5,127.64/7,073.61 = 3,213.11/x
  3. Step 3: Cross multiply
    5,127.64x = 7,073.61 × 3,213.11
  4. Step 4: Simplify right side
    5,127.64x = 22,728,287.03
  5. Step 5: Solve for x
    x = 22,728,287.03/5,127.64
  6. Step 6: Final answer
    x = 4,432.50

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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.