Home / 5,439.19-7,505.91-3,200.55

Finding the Fourth Proportional to 5,439.19, 7,505.91 and 3,200.55

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Solution

The fourth proportional to 5,439.19, 7,505.91 and 3,200.55 is: 4,416.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.19 : 7,505.91 = 3,200.55 : x
  2. Step 2: Convert to fraction form
    5,439.19/7,505.91 = 3,200.55/x
  3. Step 3: Cross multiply
    5,439.19x = 7,505.91 × 3,200.55
  4. Step 4: Simplify right side
    5,439.19x = 24,023,040.25
  5. Step 5: Solve for x
    x = 24,023,040.25/5,439.19
  6. Step 6: Final answer
    x = 4,416.66

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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.