Home / 8,859.40-12,225.76-5,084.77

Finding the Fourth Proportional to 8,859.40, 12,225.76 and 5,084.77

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Solution

The fourth proportional to 8,859.40, 12,225.76 and 5,084.77 is: 7,016.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,859.40 : 12,225.76 = 5,084.77 : x
  2. Step 2: Convert to fraction form
    8,859.40/12,225.76 = 5,084.77/x
  3. Step 3: Cross multiply
    8,859.40x = 12,225.76 × 5,084.77
  4. Step 4: Simplify right side
    8,859.40x = 62,165,177.68
  5. Step 5: Solve for x
    x = 62,165,177.68/8,859.40
  6. Step 6: Final answer
    x = 7,016.86

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1.5x scale

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.