Home / 8,925.28-13,378.79-3,076.88

Finding the Fourth Proportional to 8,925.28, 13,378.79 and 3,076.88

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Solution

The fourth proportional to 8,925.28, 13,378.79 and 3,076.88 is: 4,612.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,925.28 : 13,378.79 = 3,076.88 : x
  2. Step 2: Convert to fraction form
    8,925.28/13,378.79 = 3,076.88/x
  3. Step 3: Cross multiply
    8,925.28x = 13,378.79 × 3,076.88
  4. Step 4: Simplify right side
    8,925.28x = 41,164,872.17
  5. Step 5: Solve for x
    x = 41,164,872.17/8,925.28
  6. Step 6: Final answer
    x = 4,612.17

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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.