Home / 9,928.28-14,894.88-3,002.78

Finding the Fourth Proportional to 9,928.28, 14,894.88 and 3,002.78

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Solution

The fourth proportional to 9,928.28, 14,894.88 and 3,002.78 is: 4,504.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,928.28 : 14,894.88 = 3,002.78 : x
  2. Step 2: Convert to fraction form
    9,928.28/14,894.88 = 3,002.78/x
  3. Step 3: Cross multiply
    9,928.28x = 14,894.88 × 3,002.78
  4. Step 4: Simplify right side
    9,928.28x = 44,726,047.77
  5. Step 5: Solve for x
    x = 44,726,047.77/9,928.28
  6. Step 6: Final answer
    x = 4,504.91

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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.