Home / 8,479.38-11,702.29-4,942.52

Finding the Fourth Proportional to 8,479.38, 11,702.29 and 4,942.52

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Solution

The fourth proportional to 8,479.38, 11,702.29 and 4,942.52 is: 6,821.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,479.38 : 11,702.29 = 4,942.52 : x
  2. Step 2: Convert to fraction form
    8,479.38/11,702.29 = 4,942.52/x
  3. Step 3: Cross multiply
    8,479.38x = 11,702.29 × 4,942.52
  4. Step 4: Simplify right side
    8,479.38x = 57,838,784.65
  5. Step 5: Solve for x
    x = 57,838,784.65/8,479.38
  6. Step 6: Final answer
    x = 6,821.11

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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.