Home / 4,480.13-6,720.17-1,558.41

Finding the Fourth Proportional to 4,480.13, 6,720.17 and 1,558.41

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Solution

The fourth proportional to 4,480.13, 6,720.17 and 1,558.41 is: 2,337.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480.13 : 6,720.17 = 1,558.41 : x
  2. Step 2: Convert to fraction form
    4,480.13/6,720.17 = 1,558.41/x
  3. Step 3: Cross multiply
    4,480.13x = 6,720.17 × 1,558.41
  4. Step 4: Simplify right side
    4,480.13x = 10,472,747.14
  5. Step 5: Solve for x
    x = 10,472,747.14/4,480.13
  6. Step 6: Final answer
    x = 2,337.60

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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.