Home / 5,920.20-8,877.78-2,631.04

Finding the Fourth Proportional to 5,920.20, 8,877.78 and 2,631.04

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Solution

The fourth proportional to 5,920.20, 8,877.78 and 2,631.04 is: 3,945.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.20 : 8,877.78 = 2,631.04 : x
  2. Step 2: Convert to fraction form
    5,920.20/8,877.78 = 2,631.04/x
  3. Step 3: Cross multiply
    5,920.20x = 8,877.78 × 2,631.04
  4. Step 4: Simplify right side
    5,920.20x = 23,357,794.29
  5. Step 5: Solve for x
    x = 23,357,794.29/5,920.20
  6. Step 6: Final answer
    x = 3,945.44

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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.