Home / 5,471.86-8,207.46-3,279.10

Finding the Fourth Proportional to 5,471.86, 8,207.46 and 3,279.10

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Solution

The fourth proportional to 5,471.86, 8,207.46 and 3,279.10 is: 4,918.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471.86 : 8,207.46 = 3,279.10 : x
  2. Step 2: Convert to fraction form
    5,471.86/8,207.46 = 3,279.10/x
  3. Step 3: Cross multiply
    5,471.86x = 8,207.46 × 3,279.10
  4. Step 4: Simplify right side
    5,471.86x = 26,913,082.09
  5. Step 5: Solve for x
    x = 26,913,082.09/5,471.86
  6. Step 6: Final answer
    x = 4,918.45

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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.