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Finding the Fourth Proportional to 5,600.52, 7,729.74 and 3,242.88

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Solution

The fourth proportional to 5,600.52, 7,729.74 and 3,242.88 is: 4,475.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,600.52 : 7,729.74 = 3,242.88 : x
  2. Step 2: Convert to fraction form
    5,600.52/7,729.74 = 3,242.88/x
  3. Step 3: Cross multiply
    5,600.52x = 7,729.74 × 3,242.88
  4. Step 4: Simplify right side
    5,600.52x = 25,066,619.25
  5. Step 5: Solve for x
    x = 25,066,619.25/5,600.52
  6. Step 6: Final answer
    x = 4,475.77

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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.