Home / 5,176.40-7,143.76-2,937.44

Finding the Fourth Proportional to 5,176.40, 7,143.76 and 2,937.44

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Solution

The fourth proportional to 5,176.40, 7,143.76 and 2,937.44 is: 4,053.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.40 : 7,143.76 = 2,937.44 : x
  2. Step 2: Convert to fraction form
    5,176.40/7,143.76 = 2,937.44/x
  3. Step 3: Cross multiply
    5,176.40x = 7,143.76 × 2,937.44
  4. Step 4: Simplify right side
    5,176.40x = 20,984,366.37
  5. Step 5: Solve for x
    x = 20,984,366.37/5,176.40
  6. Step 6: Final answer
    x = 4,053.85

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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.