Home / 5,176.08-7,142.76-2,937.92

Finding the Fourth Proportional to 5,176.08, 7,142.76 and 2,937.92

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Solution

The fourth proportional to 5,176.08, 7,142.76 and 2,937.92 is: 4,054.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.08 : 7,142.76 = 2,937.92 : x
  2. Step 2: Convert to fraction form
    5,176.08/7,142.76 = 2,937.92/x
  3. Step 3: Cross multiply
    5,176.08x = 7,142.76 × 2,937.92
  4. Step 4: Simplify right side
    5,176.08x = 20,984,857.46
  5. Step 5: Solve for x
    x = 20,984,857.46/5,176.08
  6. Step 6: Final answer
    x = 4,054.20

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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.