Home / 5,679.60-8,508.84-3,084.72

Finding the Fourth Proportional to 5,679.60, 8,508.84 and 3,084.72

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Solution

The fourth proportional to 5,679.60, 8,508.84 and 3,084.72 is: 4,621.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679.60 : 8,508.84 = 3,084.72 : x
  2. Step 2: Convert to fraction form
    5,679.60/8,508.84 = 3,084.72/x
  3. Step 3: Cross multiply
    5,679.60x = 8,508.84 × 3,084.72
  4. Step 4: Simplify right side
    5,679.60x = 26,247,388.92
  5. Step 5: Solve for x
    x = 26,247,388.92/5,679.60
  6. Step 6: Final answer
    x = 4,621.34

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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.