Home / 5,808.32-8,015.68-3,290.40

Finding the Fourth Proportional to 5,808.32, 8,015.68 and 3,290.40

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Solution

The fourth proportional to 5,808.32, 8,015.68 and 3,290.40 is: 4,540.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,808.32 : 8,015.68 = 3,290.40 : x
  2. Step 2: Convert to fraction form
    5,808.32/8,015.68 = 3,290.40/x
  3. Step 3: Cross multiply
    5,808.32x = 8,015.68 × 3,290.40
  4. Step 4: Simplify right side
    5,808.32x = 26,374,793.47
  5. Step 5: Solve for x
    x = 26,374,793.47/5,808.32
  6. Step 6: Final answer
    x = 4,540.86

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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.