Home / 6,128.66-9,186.84-2,429.44

Finding the Fourth Proportional to 6,128.66, 9,186.84 and 2,429.44

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Solution

The fourth proportional to 6,128.66, 9,186.84 and 2,429.44 is: 3,641.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128.66 : 9,186.84 = 2,429.44 : x
  2. Step 2: Convert to fraction form
    6,128.66/9,186.84 = 2,429.44/x
  3. Step 3: Cross multiply
    6,128.66x = 9,186.84 × 2,429.44
  4. Step 4: Simplify right side
    6,128.66x = 22,318,876.57
  5. Step 5: Solve for x
    x = 22,318,876.57/6,128.66
  6. Step 6: Final answer
    x = 3,641.72

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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.