Home / 10,454.88-15,685.80-3,881.58

Finding the Fourth Proportional to 10,454.88, 15,685.80 and 3,881.58

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Solution

The fourth proportional to 10,454.88, 15,685.80 and 3,881.58 is: 5,823.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,454.88 : 15,685.80 = 3,881.58 : x
  2. Step 2: Convert to fraction form
    10,454.88/15,685.80 = 3,881.58/x
  3. Step 3: Cross multiply
    10,454.88x = 15,685.80 × 3,881.58
  4. Step 4: Simplify right side
    10,454.88x = 60,885,687.56
  5. Step 5: Solve for x
    x = 60,885,687.56/10,454.88
  6. Step 6: Final answer
    x = 5,823.66

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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.