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Finding the Fourth Proportional to 5,648.51, 8,471.55 and 3,565.73

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Solution

The fourth proportional to 5,648.51, 8,471.55 and 3,565.73 is: 5,347.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,648.51 : 8,471.55 = 3,565.73 : x
  2. Step 2: Convert to fraction form
    5,648.51/8,471.55 = 3,565.73/x
  3. Step 3: Cross multiply
    5,648.51x = 8,471.55 × 3,565.73
  4. Step 4: Simplify right side
    5,648.51x = 30,207,231.00
  5. Step 5: Solve for x
    x = 30,207,231.00/5,648.51
  6. Step 6: Final answer
    x = 5,347.83

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Double scale
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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.