Home / 6,665.40-9,998.10-2,282.90

Finding the Fourth Proportional to 6,665.40, 9,998.10 and 2,282.90

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Solution

The fourth proportional to 6,665.40, 9,998.10 and 2,282.90 is: 3,424.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665.40 : 9,998.10 = 2,282.90 : x
  2. Step 2: Convert to fraction form
    6,665.40/9,998.10 = 2,282.90/x
  3. Step 3: Cross multiply
    6,665.40x = 9,998.10 × 2,282.90
  4. Step 4: Simplify right side
    6,665.40x = 22,824,662.49
  5. Step 5: Solve for x
    x = 22,824,662.49/6,665.40
  6. Step 6: Final answer
    x = 3,424.35

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Similar ratio
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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.