Home / 4,781.36-7,174.16-2,587.52

Finding the Fourth Proportional to 4,781.36, 7,174.16 and 2,587.52

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Solution

The fourth proportional to 4,781.36, 7,174.16 and 2,587.52 is: 3,882.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781.36 : 7,174.16 = 2,587.52 : x
  2. Step 2: Convert to fraction form
    4,781.36/7,174.16 = 2,587.52/x
  3. Step 3: Cross multiply
    4,781.36x = 7,174.16 × 2,587.52
  4. Step 4: Simplify right side
    4,781.36x = 18,563,282.48
  5. Step 5: Solve for x
    x = 18,563,282.48/4,781.36
  6. Step 6: Final answer
    x = 3,882.43

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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.