Home / 5,920.17-8,872.38-2,218.68

Finding the Fourth Proportional to 5,920.17, 8,872.38 and 2,218.68

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Solution

The fourth proportional to 5,920.17, 8,872.38 and 2,218.68 is: 3,325.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.17 : 8,872.38 = 2,218.68 : x
  2. Step 2: Convert to fraction form
    5,920.17/8,872.38 = 2,218.68/x
  3. Step 3: Cross multiply
    5,920.17x = 8,872.38 × 2,218.68
  4. Step 4: Simplify right side
    5,920.17x = 19,684,972.06
  5. Step 5: Solve for x
    x = 19,684,972.06/5,920.17
  6. Step 6: Final answer
    x = 3,325.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.