Home / 5,873.71-8,105.70-3,221.05

Finding the Fourth Proportional to 5,873.71, 8,105.70 and 3,221.05

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Solution

The fourth proportional to 5,873.71, 8,105.70 and 3,221.05 is: 4,445.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,873.71 : 8,105.70 = 3,221.05 : x
  2. Step 2: Convert to fraction form
    5,873.71/8,105.70 = 3,221.05/x
  3. Step 3: Cross multiply
    5,873.71x = 8,105.70 × 3,221.05
  4. Step 4: Simplify right side
    5,873.71x = 26,108,864.99
  5. Step 5: Solve for x
    x = 26,108,864.99/5,873.71
  6. Step 6: Final answer
    x = 4,445.04

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.