Home / 8,539.28-12,808.90-3,341.52

Finding the Fourth Proportional to 8,539.28, 12,808.90 and 3,341.52

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Solution

The fourth proportional to 8,539.28, 12,808.90 and 3,341.52 is: 5,012.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,539.28 : 12,808.90 = 3,341.52 : x
  2. Step 2: Convert to fraction form
    8,539.28/12,808.90 = 3,341.52/x
  3. Step 3: Cross multiply
    8,539.28x = 12,808.90 × 3,341.52
  4. Step 4: Simplify right side
    8,539.28x = 42,801,195.53
  5. Step 5: Solve for x
    x = 42,801,195.53/8,539.28
  6. Step 6: Final answer
    x = 5,012.27

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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.