Home / 8,290.55-12,437.85-2,743.98

Finding the Fourth Proportional to 8,290.55, 12,437.85 and 2,743.98

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Solution

The fourth proportional to 8,290.55, 12,437.85 and 2,743.98 is: 4,116.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,290.55 : 12,437.85 = 2,743.98 : x
  2. Step 2: Convert to fraction form
    8,290.55/12,437.85 = 2,743.98/x
  3. Step 3: Cross multiply
    8,290.55x = 12,437.85 × 2,743.98
  4. Step 4: Simplify right side
    8,290.55x = 34,129,175.29
  5. Step 5: Solve for x
    x = 34,129,175.29/8,290.55
  6. Step 6: Final answer
    x = 4,116.63

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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.