Home / 5,117.39-7,062.08-3,127.53

Finding the Fourth Proportional to 5,117.39, 7,062.08 and 3,127.53

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Solution

The fourth proportional to 5,117.39, 7,062.08 and 3,127.53 is: 4,316.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.39 : 7,062.08 = 3,127.53 : x
  2. Step 2: Convert to fraction form
    5,117.39/7,062.08 = 3,127.53/x
  3. Step 3: Cross multiply
    5,117.39x = 7,062.08 × 3,127.53
  4. Step 4: Simplify right side
    5,117.39x = 22,086,851.42
  5. Step 5: Solve for x
    x = 22,086,851.42/5,117.39
  6. Step 6: Final answer
    x = 4,316.04

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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.