Home / 9,812.25-14,721.21-2,886.75

Finding the Fourth Proportional to 9,812.25, 14,721.21 and 2,886.75

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Solution

The fourth proportional to 9,812.25, 14,721.21 and 2,886.75 is: 4,330.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,812.25 : 14,721.21 = 2,886.75 : x
  2. Step 2: Convert to fraction form
    9,812.25/14,721.21 = 2,886.75/x
  3. Step 3: Cross multiply
    9,812.25x = 14,721.21 × 2,886.75
  4. Step 4: Simplify right side
    9,812.25x = 42,496,452.97
  5. Step 5: Solve for x
    x = 42,496,452.97/9,812.25
  6. Step 6: Final answer
    x = 4,330.96

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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.