Home / 5,002.36-7,502.92-3,128.42

Finding the Fourth Proportional to 5,002.36, 7,502.92 and 3,128.42

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Solution

The fourth proportional to 5,002.36, 7,502.92 and 3,128.42 is: 4,692.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,002.36 : 7,502.92 = 3,128.42 : x
  2. Step 2: Convert to fraction form
    5,002.36/7,502.92 = 3,128.42/x
  3. Step 3: Cross multiply
    5,002.36x = 7,502.92 × 3,128.42
  4. Step 4: Simplify right side
    5,002.36x = 23,472,284.99
  5. Step 5: Solve for x
    x = 23,472,284.99/5,002.36
  6. Step 6: Final answer
    x = 4,692.24

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1.5x scale

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.