Home / 6,441.46-9,663.70-1,998.90

Finding the Fourth Proportional to 6,441.46, 9,663.70 and 1,998.90

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Solution

The fourth proportional to 6,441.46, 9,663.70 and 1,998.90 is: 2,998.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,441.46 : 9,663.70 = 1,998.90 : x
  2. Step 2: Convert to fraction form
    6,441.46/9,663.70 = 1,998.90/x
  3. Step 3: Cross multiply
    6,441.46x = 9,663.70 × 1,998.90
  4. Step 4: Simplify right side
    6,441.46x = 19,316,769.93
  5. Step 5: Solve for x
    x = 19,316,769.93/6,441.46
  6. Step 6: Final answer
    x = 2,998.82

Related Problems

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Half scale
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Double scale
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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.