Home / 5,177.08-7,144.14-2,938.92

Finding the Fourth Proportional to 5,177.08, 7,144.14 and 2,938.92

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Solution

The fourth proportional to 5,177.08, 7,144.14 and 2,938.92 is: 4,055.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.08 : 7,144.14 = 2,938.92 : x
  2. Step 2: Convert to fraction form
    5,177.08/7,144.14 = 2,938.92/x
  3. Step 3: Cross multiply
    5,177.08x = 7,144.14 × 2,938.92
  4. Step 4: Simplify right side
    5,177.08x = 20,996,055.93
  5. Step 5: Solve for x
    x = 20,996,055.93/5,177.08
  6. Step 6: Final answer
    x = 4,055.58

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Double scale
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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.