Home / 8,565.42-11,821.14-4,981.47

Finding the Fourth Proportional to 8,565.42, 11,821.14 and 4,981.47

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Solution

The fourth proportional to 8,565.42, 11,821.14 and 4,981.47 is: 6,874.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,565.42 : 11,821.14 = 4,981.47 : x
  2. Step 2: Convert to fraction form
    8,565.42/11,821.14 = 4,981.47/x
  3. Step 3: Cross multiply
    8,565.42x = 11,821.14 × 4,981.47
  4. Step 4: Simplify right side
    8,565.42x = 58,886,654.28
  5. Step 5: Solve for x
    x = 58,886,654.28/8,565.42
  6. Step 6: Final answer
    x = 6,874.93

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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.