Home / 5,377.20-8,064.84-1,480.76

Finding the Fourth Proportional to 5,377.20, 8,064.84 and 1,480.76

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Solution

The fourth proportional to 5,377.20, 8,064.84 and 1,480.76 is: 2,220.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377.20 : 8,064.84 = 1,480.76 : x
  2. Step 2: Convert to fraction form
    5,377.20/8,064.84 = 1,480.76/x
  3. Step 3: Cross multiply
    5,377.20x = 8,064.84 × 1,480.76
  4. Step 4: Simplify right side
    5,377.20x = 11,942,092.48
  5. Step 5: Solve for x
    x = 11,942,092.48/5,377.20
  6. Step 6: Final answer
    x = 2,220.88

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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.