Home / 8,863.60-13,296.08-2,289.78

Finding the Fourth Proportional to 8,863.60, 13,296.08 and 2,289.78

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Solution

The fourth proportional to 8,863.60, 13,296.08 and 2,289.78 is: 3,434.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,863.60 : 13,296.08 = 2,289.78 : x
  2. Step 2: Convert to fraction form
    8,863.60/13,296.08 = 2,289.78/x
  3. Step 3: Cross multiply
    8,863.60x = 13,296.08 × 2,289.78
  4. Step 4: Simplify right side
    8,863.60x = 30,445,098.06
  5. Step 5: Solve for x
    x = 30,445,098.06/8,863.60
  6. Step 6: Final answer
    x = 3,434.85

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1.5x scale

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.