Home / 8,658.98-11,949.39-4,680.08

Finding the Fourth Proportional to 8,658.98, 11,949.39 and 4,680.08

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Solution

The fourth proportional to 8,658.98, 11,949.39 and 4,680.08 is: 6,458.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,658.98 : 11,949.39 = 4,680.08 : x
  2. Step 2: Convert to fraction form
    8,658.98/11,949.39 = 4,680.08/x
  3. Step 3: Cross multiply
    8,658.98x = 11,949.39 × 4,680.08
  4. Step 4: Simplify right side
    8,658.98x = 55,924,046.03
  5. Step 5: Solve for x
    x = 55,924,046.03/8,658.98
  6. Step 6: Final answer
    x = 6,458.51

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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.