Home / 6,665.16-9,994.40-2,221.27

Finding the Fourth Proportional to 6,665.16, 9,994.40 and 2,221.27

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Solution

The fourth proportional to 6,665.16, 9,994.40 and 2,221.27 is: 3,330.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665.16 : 9,994.40 = 2,221.27 : x
  2. Step 2: Convert to fraction form
    6,665.16/9,994.40 = 2,221.27/x
  3. Step 3: Cross multiply
    6,665.16x = 9,994.40 × 2,221.27
  4. Step 4: Simplify right side
    6,665.16x = 22,200,210.92
  5. Step 5: Solve for x
    x = 22,200,210.92/6,665.16
  6. Step 6: Final answer
    x = 3,330.78

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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.