Home / 4,433.20-6,120-2,862.16

Finding the Fourth Proportional to 4,433.20, 6,120 and 2,862.16

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Solution

The fourth proportional to 4,433.20, 6,120 and 2,862.16 is: 3,951.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,433.20 : 6,120 = 2,862.16 : x
  2. Step 2: Convert to fraction form
    4,433.20/6,120 = 2,862.16/x
  3. Step 3: Cross multiply
    4,433.20x = 6,120 × 2,862.16
  4. Step 4: Simplify right side
    4,433.20x = 17,516,419.20
  5. Step 5: Solve for x
    x = 17,516,419.20/4,433.20
  6. Step 6: Final answer
    x = 3,951.19

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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.