Home / 5,255.32-7,252.85-3,926.72

Finding the Fourth Proportional to 5,255.32, 7,252.85 and 3,926.72

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Solution

The fourth proportional to 5,255.32, 7,252.85 and 3,926.72 is: 5,419.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.32 : 7,252.85 = 3,926.72 : x
  2. Step 2: Convert to fraction form
    5,255.32/7,252.85 = 3,926.72/x
  3. Step 3: Cross multiply
    5,255.32x = 7,252.85 × 3,926.72
  4. Step 4: Simplify right side
    5,255.32x = 28,479,911.15
  5. Step 5: Solve for x
    x = 28,479,911.15/5,255.32
  6. Step 6: Final answer
    x = 5,419.25

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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.