Home / 5,458.16-7,531.91-3,220.13

Finding the Fourth Proportional to 5,458.16, 7,531.91 and 3,220.13

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Solution

The fourth proportional to 5,458.16, 7,531.91 and 3,220.13 is: 4,443.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.16 : 7,531.91 = 3,220.13 : x
  2. Step 2: Convert to fraction form
    5,458.16/7,531.91 = 3,220.13/x
  3. Step 3: Cross multiply
    5,458.16x = 7,531.91 × 3,220.13
  4. Step 4: Simplify right side
    5,458.16x = 24,253,675.59
  5. Step 5: Solve for x
    x = 24,253,675.59/5,458.16
  6. Step 6: Final answer
    x = 4,443.57

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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.