Home / 5,157.88-7,732.26-2,235.20

Finding the Fourth Proportional to 5,157.88, 7,732.26 and 2,235.20

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Solution

The fourth proportional to 5,157.88, 7,732.26 and 2,235.20 is: 3,350.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157.88 : 7,732.26 = 2,235.20 : x
  2. Step 2: Convert to fraction form
    5,157.88/7,732.26 = 2,235.20/x
  3. Step 3: Cross multiply
    5,157.88x = 7,732.26 × 2,235.20
  4. Step 4: Simplify right side
    5,157.88x = 17,283,108.89
  5. Step 5: Solve for x
    x = 17,283,108.89/5,157.88
  6. Step 6: Final answer
    x = 3,350.82

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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.