Home / 7,320.92-10,104.90-4,337.78

Finding the Fourth Proportional to 7,320.92, 10,104.90 and 4,337.78

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Solution

The fourth proportional to 7,320.92, 10,104.90 and 4,337.78 is: 5,987.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.92 : 10,104.90 = 4,337.78 : x
  2. Step 2: Convert to fraction form
    7,320.92/10,104.90 = 4,337.78/x
  3. Step 3: Cross multiply
    7,320.92x = 10,104.90 × 4,337.78
  4. Step 4: Simplify right side
    7,320.92x = 43,832,833.12
  5. Step 5: Solve for x
    x = 43,832,833.12/7,320.92
  6. Step 6: Final answer
    x = 5,987.34

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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.