Home / 8,539.52-12,808.82-2,616.41

Finding the Fourth Proportional to 8,539.52, 12,808.82 and 2,616.41

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Solution

The fourth proportional to 8,539.52, 12,808.82 and 2,616.41 is: 3,924.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,539.52 : 12,808.82 = 2,616.41 : x
  2. Step 2: Convert to fraction form
    8,539.52/12,808.82 = 2,616.41/x
  3. Step 3: Cross multiply
    8,539.52x = 12,808.82 × 2,616.41
  4. Step 4: Simplify right side
    8,539.52x = 33,513,047.61
  5. Step 5: Solve for x
    x = 33,513,047.61/8,539.52
  6. Step 6: Final answer
    x = 3,924.47

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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.