Home / 5,253.28-7,252.50-3,487.30

Finding the Fourth Proportional to 5,253.28, 7,252.50 and 3,487.30

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Solution

The fourth proportional to 5,253.28, 7,252.50 and 3,487.30 is: 4,814.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.28 : 7,252.50 = 3,487.30 : x
  2. Step 2: Convert to fraction form
    5,253.28/7,252.50 = 3,487.30/x
  3. Step 3: Cross multiply
    5,253.28x = 7,252.50 × 3,487.30
  4. Step 4: Simplify right side
    5,253.28x = 25,291,652.66
  5. Step 5: Solve for x
    x = 25,291,652.66/5,253.28
  6. Step 6: Final answer
    x = 4,814.45

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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.