Home / 5,282.70-7,290.22-2,892.68

Finding the Fourth Proportional to 5,282.70, 7,290.22 and 2,892.68

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Solution

The fourth proportional to 5,282.70, 7,290.22 and 2,892.68 is: 3,991.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.70 : 7,290.22 = 2,892.68 : x
  2. Step 2: Convert to fraction form
    5,282.70/7,290.22 = 2,892.68/x
  3. Step 3: Cross multiply
    5,282.70x = 7,290.22 × 2,892.68
  4. Step 4: Simplify right side
    5,282.70x = 21,088,273.52
  5. Step 5: Solve for x
    x = 21,088,273.52/5,282.70
  6. Step 6: Final answer
    x = 3,991.95

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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.