Home / 5,350.80-7,384.20-2,992.68

Finding the Fourth Proportional to 5,350.80, 7,384.20 and 2,992.68

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Solution

The fourth proportional to 5,350.80, 7,384.20 and 2,992.68 is: 4,129.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,350.80 : 7,384.20 = 2,992.68 : x
  2. Step 2: Convert to fraction form
    5,350.80/7,384.20 = 2,992.68/x
  3. Step 3: Cross multiply
    5,350.80x = 7,384.20 × 2,992.68
  4. Step 4: Simplify right side
    5,350.80x = 22,098,547.66
  5. Step 5: Solve for x
    x = 22,098,547.66/5,350.80
  6. Step 6: Final answer
    x = 4,129.95

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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.