Home / 9,392.80-14,079.36-3,151.28

Finding the Fourth Proportional to 9,392.80, 14,079.36 and 3,151.28

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Solution

The fourth proportional to 9,392.80, 14,079.36 and 3,151.28 is: 4,723.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,392.80 : 14,079.36 = 3,151.28 : x
  2. Step 2: Convert to fraction form
    9,392.80/14,079.36 = 3,151.28/x
  3. Step 3: Cross multiply
    9,392.80x = 14,079.36 × 3,151.28
  4. Step 4: Simplify right side
    9,392.80x = 44,368,005.58
  5. Step 5: Solve for x
    x = 44,368,005.58/9,392.80
  6. Step 6: Final answer
    x = 4,723.62

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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.