Home / 8,535.25-12,802.20-2,988.01

Finding the Fourth Proportional to 8,535.25, 12,802.20 and 2,988.01

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Solution

The fourth proportional to 8,535.25, 12,802.20 and 2,988.01 is: 4,481.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,535.25 : 12,802.20 = 2,988.01 : x
  2. Step 2: Convert to fraction form
    8,535.25/12,802.20 = 2,988.01/x
  3. Step 3: Cross multiply
    8,535.25x = 12,802.20 × 2,988.01
  4. Step 4: Simplify right side
    8,535.25x = 38,253,101.62
  5. Step 5: Solve for x
    x = 38,253,101.62/8,535.25
  6. Step 6: Final answer
    x = 4,481.78

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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.