Home / 8,680.60-11,979.23-4,701.71

Finding the Fourth Proportional to 8,680.60, 11,979.23 and 4,701.71

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Solution

The fourth proportional to 8,680.60, 11,979.23 and 4,701.71 is: 6,488.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680.60 : 11,979.23 = 4,701.71 : x
  2. Step 2: Convert to fraction form
    8,680.60/11,979.23 = 4,701.71/x
  3. Step 3: Cross multiply
    8,680.60x = 11,979.23 × 4,701.71
  4. Step 4: Simplify right side
    8,680.60x = 56,322,865.48
  5. Step 5: Solve for x
    x = 56,322,865.48/8,680.60
  6. Step 6: Final answer
    x = 6,488.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.