Home / 8,657.44-12,988.17-2,734.91

Finding the Fourth Proportional to 8,657.44, 12,988.17 and 2,734.91

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Solution

The fourth proportional to 8,657.44, 12,988.17 and 2,734.91 is: 4,103.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,657.44 : 12,988.17 = 2,734.91 : x
  2. Step 2: Convert to fraction form
    8,657.44/12,988.17 = 2,734.91/x
  3. Step 3: Cross multiply
    8,657.44x = 12,988.17 × 2,734.91
  4. Step 4: Simplify right side
    8,657.44x = 35,521,498.23
  5. Step 5: Solve for x
    x = 35,521,498.23/8,657.44
  6. Step 6: Final answer
    x = 4,103.00

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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.