Home / 5,176.25-7,142.99-2,937.83

Finding the Fourth Proportional to 5,176.25, 7,142.99 and 2,937.83

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Solution

The fourth proportional to 5,176.25, 7,142.99 and 2,937.83 is: 4,054.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.25 : 7,142.99 = 2,937.83 : x
  2. Step 2: Convert to fraction form
    5,176.25/7,142.99 = 2,937.83/x
  3. Step 3: Cross multiply
    5,176.25x = 7,142.99 × 2,937.83
  4. Step 4: Simplify right side
    5,176.25x = 20,984,890.13
  5. Step 5: Solve for x
    x = 20,984,890.13/5,176.25
  6. Step 6: Final answer
    x = 4,054.07

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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.