Home / 4,781.16-7,161.30-2,585.25

Finding the Fourth Proportional to 4,781.16, 7,161.30 and 2,585.25

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Solution

The fourth proportional to 4,781.16, 7,161.30 and 2,585.25 is: 3,872.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781.16 : 7,161.30 = 2,585.25 : x
  2. Step 2: Convert to fraction form
    4,781.16/7,161.30 = 2,585.25/x
  3. Step 3: Cross multiply
    4,781.16x = 7,161.30 × 2,585.25
  4. Step 4: Simplify right side
    4,781.16x = 18,513,750.83
  5. Step 5: Solve for x
    x = 18,513,750.83/4,781.16
  6. Step 6: Final answer
    x = 3,872.23

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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.