Home / 5,691.12-7,854.21-3,334.02

Finding the Fourth Proportional to 5,691.12, 7,854.21 and 3,334.02

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Solution

The fourth proportional to 5,691.12, 7,854.21 and 3,334.02 is: 4,601.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,691.12 : 7,854.21 = 3,334.02 : x
  2. Step 2: Convert to fraction form
    5,691.12/7,854.21 = 3,334.02/x
  3. Step 3: Cross multiply
    5,691.12x = 7,854.21 × 3,334.02
  4. Step 4: Simplify right side
    5,691.12x = 26,186,093.22
  5. Step 5: Solve for x
    x = 26,186,093.22/5,691.12
  6. Step 6: Final answer
    x = 4,601.22

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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.