Home / 9,079.41-13,618.62-2,838.71

Finding the Fourth Proportional to 9,079.41, 13,618.62 and 2,838.71

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Solution

The fourth proportional to 9,079.41, 13,618.62 and 2,838.71 is: 4,257.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,079.41 : 13,618.62 = 2,838.71 : x
  2. Step 2: Convert to fraction form
    9,079.41/13,618.62 = 2,838.71/x
  3. Step 3: Cross multiply
    9,079.41x = 13,618.62 × 2,838.71
  4. Step 4: Simplify right side
    9,079.41x = 38,659,312.78
  5. Step 5: Solve for x
    x = 38,659,312.78/9,079.41
  6. Step 6: Final answer
    x = 4,257.91

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1.5x scale

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.