Home / 8,633.04-12,954.24-5,712.72

Finding the Fourth Proportional to 8,633.04, 12,954.24 and 5,712.72

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Solution

The fourth proportional to 8,633.04, 12,954.24 and 5,712.72 is: 8,572.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,633.04 : 12,954.24 = 5,712.72 : x
  2. Step 2: Convert to fraction form
    8,633.04/12,954.24 = 5,712.72/x
  3. Step 3: Cross multiply
    8,633.04x = 12,954.24 × 5,712.72
  4. Step 4: Simplify right side
    8,633.04x = 74,003,945.93
  5. Step 5: Solve for x
    x = 74,003,945.93/8,633.04
  6. Step 6: Final answer
    x = 8,572.18

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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.