Home / 8,177.27-12,258.51-2,981.93

Finding the Fourth Proportional to 8,177.27, 12,258.51 and 2,981.93

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Solution

The fourth proportional to 8,177.27, 12,258.51 and 2,981.93 is: 4,470.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,177.27 : 12,258.51 = 2,981.93 : x
  2. Step 2: Convert to fraction form
    8,177.27/12,258.51 = 2,981.93/x
  3. Step 3: Cross multiply
    8,177.27x = 12,258.51 × 2,981.93
  4. Step 4: Simplify right side
    8,177.27x = 36,554,018.72
  5. Step 5: Solve for x
    x = 36,554,018.72/8,177.27
  6. Step 6: Final answer
    x = 4,470.20

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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.