Home / 7,261.93-10,891.56-3,928.61

Finding the Fourth Proportional to 7,261.93, 10,891.56 and 3,928.61

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Solution

The fourth proportional to 7,261.93, 10,891.56 and 3,928.61 is: 5,892.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.93 : 10,891.56 = 3,928.61 : x
  2. Step 2: Convert to fraction form
    7,261.93/10,891.56 = 3,928.61/x
  3. Step 3: Cross multiply
    7,261.93x = 10,891.56 × 3,928.61
  4. Step 4: Simplify right side
    7,261.93x = 42,788,691.53
  5. Step 5: Solve for x
    x = 42,788,691.53/7,261.93
  6. Step 6: Final answer
    x = 5,892.19

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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.