Home / 8,290.98-12,432.15-3,092.58

Finding the Fourth Proportional to 8,290.98, 12,432.15 and 3,092.58

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Solution

The fourth proportional to 8,290.98, 12,432.15 and 3,092.58 is: 4,637.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,290.98 : 12,432.15 = 3,092.58 : x
  2. Step 2: Convert to fraction form
    8,290.98/12,432.15 = 3,092.58/x
  3. Step 3: Cross multiply
    8,290.98x = 12,432.15 × 3,092.58
  4. Step 4: Simplify right side
    8,290.98x = 38,447,418.45
  5. Step 5: Solve for x
    x = 38,447,418.45/8,290.98
  6. Step 6: Final answer
    x = 4,637.26

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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.