Home / 8,427.38-11,630.66-4,701.38

Finding the Fourth Proportional to 8,427.38, 11,630.66 and 4,701.38

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Solution

The fourth proportional to 8,427.38, 11,630.66 and 4,701.38 is: 6,488.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,427.38 : 11,630.66 = 4,701.38 : x
  2. Step 2: Convert to fraction form
    8,427.38/11,630.66 = 4,701.38/x
  3. Step 3: Cross multiply
    8,427.38x = 11,630.66 × 4,701.38
  4. Step 4: Simplify right side
    8,427.38x = 54,680,070.65
  5. Step 5: Solve for x
    x = 54,680,070.65/8,427.38
  6. Step 6: Final answer
    x = 6,488.39

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Half scale
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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.