Home / 8,712.24-13,068.72-4,092

Finding the Fourth Proportional to 8,712.24, 13,068.72 and 4,092

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Solution

The fourth proportional to 8,712.24, 13,068.72 and 4,092 is: 6,138.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,712.24 : 13,068.72 = 4,092 : x
  2. Step 2: Convert to fraction form
    8,712.24/13,068.72 = 4,092/x
  3. Step 3: Cross multiply
    8,712.24x = 13,068.72 × 4,092
  4. Step 4: Simplify right side
    8,712.24x = 53,477,202.24
  5. Step 5: Solve for x
    x = 53,477,202.24/8,712.24
  6. Step 6: Final answer
    x = 6,138.17

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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.