Home / 5,176.14-7,142.85-2,937.96

Finding the Fourth Proportional to 5,176.14, 7,142.85 and 2,937.96

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Solution

The fourth proportional to 5,176.14, 7,142.85 and 2,937.96 is: 4,054.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.14 : 7,142.85 = 2,937.96 : x
  2. Step 2: Convert to fraction form
    5,176.14/7,142.85 = 2,937.96/x
  3. Step 3: Cross multiply
    5,176.14x = 7,142.85 × 2,937.96
  4. Step 4: Simplify right side
    5,176.14x = 20,985,427.68
  5. Step 5: Solve for x
    x = 20,985,427.68/5,176.14
  6. Step 6: Final answer
    x = 4,054.26

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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.