Home / 9,143.86-12,618.45-4,952.11

Finding the Fourth Proportional to 9,143.86, 12,618.45 and 4,952.11

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Solution

The fourth proportional to 9,143.86, 12,618.45 and 4,952.11 is: 6,833.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,143.86 : 12,618.45 = 4,952.11 : x
  2. Step 2: Convert to fraction form
    9,143.86/12,618.45 = 4,952.11/x
  3. Step 3: Cross multiply
    9,143.86x = 12,618.45 × 4,952.11
  4. Step 4: Simplify right side
    9,143.86x = 62,487,920.88
  5. Step 5: Solve for x
    x = 62,487,920.88/9,143.86
  6. Step 6: Final answer
    x = 6,833.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.