Home / 7,211.64-9,951.34-4,186.29

Finding the Fourth Proportional to 7,211.64, 9,951.34 and 4,186.29

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Solution

The fourth proportional to 7,211.64, 9,951.34 and 4,186.29 is: 5,776.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211.64 : 9,951.34 = 4,186.29 : x
  2. Step 2: Convert to fraction form
    7,211.64/9,951.34 = 4,186.29/x
  3. Step 3: Cross multiply
    7,211.64x = 9,951.34 × 4,186.29
  4. Step 4: Simplify right side
    7,211.64x = 41,659,195.13
  5. Step 5: Solve for x
    x = 41,659,195.13/7,211.64
  6. Step 6: Final answer
    x = 5,776.66

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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.