Home / 5,458.49-7,532.48-3,100.85

Finding the Fourth Proportional to 5,458.49, 7,532.48 and 3,100.85

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Solution

The fourth proportional to 5,458.49, 7,532.48 and 3,100.85 is: 4,279.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.49 : 7,532.48 = 3,100.85 : x
  2. Step 2: Convert to fraction form
    5,458.49/7,532.48 = 3,100.85/x
  3. Step 3: Cross multiply
    5,458.49x = 7,532.48 × 3,100.85
  4. Step 4: Simplify right side
    5,458.49x = 23,357,060.70
  5. Step 5: Solve for x
    x = 23,357,060.70/5,458.49
  6. Step 6: Final answer
    x = 4,279.04

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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.