Home / 8,468.31-12,705.72-3,536.64

Finding the Fourth Proportional to 8,468.31, 12,705.72 and 3,536.64

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Solution

The fourth proportional to 8,468.31, 12,705.72 and 3,536.64 is: 5,306.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,468.31 : 12,705.72 = 3,536.64 : x
  2. Step 2: Convert to fraction form
    8,468.31/12,705.72 = 3,536.64/x
  3. Step 3: Cross multiply
    8,468.31x = 12,705.72 × 3,536.64
  4. Step 4: Simplify right side
    8,468.31x = 44,935,557.58
  5. Step 5: Solve for x
    x = 44,935,557.58/8,468.31
  6. Step 6: Final answer
    x = 5,306.32

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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.