Home / 8,680.47-13,020.17-3,746.64

Finding the Fourth Proportional to 8,680.47, 13,020.17 and 3,746.64

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Solution

The fourth proportional to 8,680.47, 13,020.17 and 3,746.64 is: 5,619.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680.47 : 13,020.17 = 3,746.64 : x
  2. Step 2: Convert to fraction form
    8,680.47/13,020.17 = 3,746.64/x
  3. Step 3: Cross multiply
    8,680.47x = 13,020.17 × 3,746.64
  4. Step 4: Simplify right side
    8,680.47x = 48,781,871.00
  5. Step 5: Solve for x
    x = 48,781,871.00/8,680.47
  6. Step 6: Final answer
    x = 5,619.73

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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.