Home / 8,657.31-12,984.10-2,734.66

Finding the Fourth Proportional to 8,657.31, 12,984.10 and 2,734.66

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Solution

The fourth proportional to 8,657.31, 12,984.10 and 2,734.66 is: 4,101.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,657.31 : 12,984.10 = 2,734.66 : x
  2. Step 2: Convert to fraction form
    8,657.31/12,984.10 = 2,734.66/x
  3. Step 3: Cross multiply
    8,657.31x = 12,984.10 × 2,734.66
  4. Step 4: Simplify right side
    8,657.31x = 35,507,108.30
  5. Step 5: Solve for x
    x = 35,507,108.30/8,657.31
  6. Step 6: Final answer
    x = 4,101.40

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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.