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Finding the Fourth Proportional to 5,765.53, 7,956.04 and 3,407.22

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Solution

The fourth proportional to 5,765.53, 7,956.04 and 3,407.22 is: 4,701.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,765.53 : 7,956.04 = 3,407.22 : x
  2. Step 2: Convert to fraction form
    5,765.53/7,956.04 = 3,407.22/x
  3. Step 3: Cross multiply
    5,765.53x = 7,956.04 × 3,407.22
  4. Step 4: Simplify right side
    5,765.53x = 27,107,978.61
  5. Step 5: Solve for x
    x = 27,107,978.61/5,765.53
  6. Step 6: Final answer
    x = 4,701.73

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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.