Home / 9,315.79-13,963.96-3,766.88

Finding the Fourth Proportional to 9,315.79, 13,963.96 and 3,766.88

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Solution

The fourth proportional to 9,315.79, 13,963.96 and 3,766.88 is: 5,646.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315.79 : 13,963.96 = 3,766.88 : x
  2. Step 2: Convert to fraction form
    9,315.79/13,963.96 = 3,766.88/x
  3. Step 3: Cross multiply
    9,315.79x = 13,963.96 × 3,766.88
  4. Step 4: Simplify right side
    9,315.79x = 52,600,561.64
  5. Step 5: Solve for x
    x = 52,600,561.64/9,315.79
  6. Step 6: Final answer
    x = 5,646.39

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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.