Home / 5,100.16-7,649.52-2,502.40

Finding the Fourth Proportional to 5,100.16, 7,649.52 and 2,502.40

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Solution

The fourth proportional to 5,100.16, 7,649.52 and 2,502.40 is: 3,753.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100.16 : 7,649.52 = 2,502.40 : x
  2. Step 2: Convert to fraction form
    5,100.16/7,649.52 = 2,502.40/x
  3. Step 3: Cross multiply
    5,100.16x = 7,649.52 × 2,502.40
  4. Step 4: Simplify right side
    5,100.16x = 19,142,158.85
  5. Step 5: Solve for x
    x = 19,142,158.85/5,100.16
  6. Step 6: Final answer
    x = 3,753.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.