Home / 4,079.28-6,116.68-1,886.80

Finding the Fourth Proportional to 4,079.28, 6,116.68 and 1,886.80

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Solution

The fourth proportional to 4,079.28, 6,116.68 and 1,886.80 is: 2,829.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.28 : 6,116.68 = 1,886.80 : x
  2. Step 2: Convert to fraction form
    4,079.28/6,116.68 = 1,886.80/x
  3. Step 3: Cross multiply
    4,079.28x = 6,116.68 × 1,886.80
  4. Step 4: Simplify right side
    4,079.28x = 11,540,951.82
  5. Step 5: Solve for x
    x = 11,540,951.82/4,079.28
  6. Step 6: Final answer
    x = 2,829.16

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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.