Home / 5,331.92-8,001.44-1,869.18

Finding the Fourth Proportional to 5,331.92, 8,001.44 and 1,869.18

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Solution

The fourth proportional to 5,331.92, 8,001.44 and 1,869.18 is: 2,805.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331.92 : 8,001.44 = 1,869.18 : x
  2. Step 2: Convert to fraction form
    5,331.92/8,001.44 = 1,869.18/x
  3. Step 3: Cross multiply
    5,331.92x = 8,001.44 × 1,869.18
  4. Step 4: Simplify right side
    5,331.92x = 14,956,131.62
  5. Step 5: Solve for x
    x = 14,956,131.62/5,331.92
  6. Step 6: Final answer
    x = 2,805.02

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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.