Home / 5,148.44-7,100.61-3,157.59

Finding the Fourth Proportional to 5,148.44, 7,100.61 and 3,157.59

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Solution

The fourth proportional to 5,148.44, 7,100.61 and 3,157.59 is: 4,354.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.44 : 7,100.61 = 3,157.59 : x
  2. Step 2: Convert to fraction form
    5,148.44/7,100.61 = 3,157.59/x
  3. Step 3: Cross multiply
    5,148.44x = 7,100.61 × 3,157.59
  4. Step 4: Simplify right side
    5,148.44x = 22,420,815.13
  5. Step 5: Solve for x
    x = 22,420,815.13/5,148.44
  6. Step 6: Final answer
    x = 4,354.88

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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.