Home / 6,665.46-9,199.22-3,870.96

Finding the Fourth Proportional to 6,665.46, 9,199.22 and 3,870.96

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Solution

The fourth proportional to 6,665.46, 9,199.22 and 3,870.96 is: 5,342.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665.46 : 9,199.22 = 3,870.96 : x
  2. Step 2: Convert to fraction form
    6,665.46/9,199.22 = 3,870.96/x
  3. Step 3: Cross multiply
    6,665.46x = 9,199.22 × 3,870.96
  4. Step 4: Simplify right side
    6,665.46x = 35,609,793.30
  5. Step 5: Solve for x
    x = 35,609,793.30/6,665.46
  6. Step 6: Final answer
    x = 5,342.44

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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.