Home / 8,987.26-12,402.51-5,008.60

Finding the Fourth Proportional to 8,987.26, 12,402.51 and 5,008.60

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Solution

The fourth proportional to 8,987.26, 12,402.51 and 5,008.60 is: 6,911.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,987.26 : 12,402.51 = 5,008.60 : x
  2. Step 2: Convert to fraction form
    8,987.26/12,402.51 = 5,008.60/x
  3. Step 3: Cross multiply
    8,987.26x = 12,402.51 × 5,008.60
  4. Step 4: Simplify right side
    8,987.26x = 62,119,211.59
  5. Step 5: Solve for x
    x = 62,119,211.59/8,987.26
  6. Step 6: Final answer
    x = 6,911.92

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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.