Home / 6,609.47-9,912.11-2,166.10

Finding the Fourth Proportional to 6,609.47, 9,912.11 and 2,166.10

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Solution

The fourth proportional to 6,609.47, 9,912.11 and 2,166.10 is: 3,248.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,609.47 : 9,912.11 = 2,166.10 : x
  2. Step 2: Convert to fraction form
    6,609.47/9,912.11 = 2,166.10/x
  3. Step 3: Cross multiply
    6,609.47x = 9,912.11 × 2,166.10
  4. Step 4: Simplify right side
    6,609.47x = 21,470,585.86
  5. Step 5: Solve for x
    x = 21,470,585.86/6,609.47
  6. Step 6: Final answer
    x = 3,248.46

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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.