Home / 8,815.60-13,224.74-2,890.52

Finding the Fourth Proportional to 8,815.60, 13,224.74 and 2,890.52

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Solution

The fourth proportional to 8,815.60, 13,224.74 and 2,890.52 is: 4,336.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.60 : 13,224.74 = 2,890.52 : x
  2. Step 2: Convert to fraction form
    8,815.60/13,224.74 = 2,890.52/x
  3. Step 3: Cross multiply
    8,815.60x = 13,224.74 × 2,890.52
  4. Step 4: Simplify right side
    8,815.60x = 38,226,375.46
  5. Step 5: Solve for x
    x = 38,226,375.46/8,815.60
  6. Step 6: Final answer
    x = 4,336.22

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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.