Home / 5,132.89-7,087.18-3,146.16

Finding the Fourth Proportional to 5,132.89, 7,087.18 and 3,146.16

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Solution

The fourth proportional to 5,132.89, 7,087.18 and 3,146.16 is: 4,344.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.89 : 7,087.18 = 3,146.16 : x
  2. Step 2: Convert to fraction form
    5,132.89/7,087.18 = 3,146.16/x
  3. Step 3: Cross multiply
    5,132.89x = 7,087.18 × 3,146.16
  4. Step 4: Simplify right side
    5,132.89x = 22,297,402.23
  5. Step 5: Solve for x
    x = 22,297,402.23/5,132.89
  6. Step 6: Final answer
    x = 4,344.02

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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.