Home / 4,480.28-6,721.02-1,558.20

Finding the Fourth Proportional to 4,480.28, 6,721.02 and 1,558.20

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Solution

The fourth proportional to 4,480.28, 6,721.02 and 1,558.20 is: 2,337.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480.28 : 6,721.02 = 1,558.20 : x
  2. Step 2: Convert to fraction form
    4,480.28/6,721.02 = 1,558.20/x
  3. Step 3: Cross multiply
    4,480.28x = 6,721.02 × 1,558.20
  4. Step 4: Simplify right side
    4,480.28x = 10,472,685.57
  5. Step 5: Solve for x
    x = 10,472,685.57/4,480.28
  6. Step 6: Final answer
    x = 2,337.51

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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.