Home / 8,890.38-13,320.98-3,043.80

Finding the Fourth Proportional to 8,890.38, 13,320.98 and 3,043.80

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Solution

The fourth proportional to 8,890.38, 13,320.98 and 3,043.80 is: 4,560.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,890.38 : 13,320.98 = 3,043.80 : x
  2. Step 2: Convert to fraction form
    8,890.38/13,320.98 = 3,043.80/x
  3. Step 3: Cross multiply
    8,890.38x = 13,320.98 × 3,043.80
  4. Step 4: Simplify right side
    8,890.38x = 40,546,383.71
  5. Step 5: Solve for x
    x = 40,546,383.71/8,890.38
  6. Step 6: Final answer
    x = 4,560.70

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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.