Home / 5,659.18-8,490.30-3,195.70

Finding the Fourth Proportional to 5,659.18, 8,490.30 and 3,195.70

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Solution

The fourth proportional to 5,659.18, 8,490.30 and 3,195.70 is: 4,794.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,659.18 : 8,490.30 = 3,195.70 : x
  2. Step 2: Convert to fraction form
    5,659.18/8,490.30 = 3,195.70/x
  3. Step 3: Cross multiply
    5,659.18x = 8,490.30 × 3,195.70
  4. Step 4: Simplify right side
    5,659.18x = 27,132,451.71
  5. Step 5: Solve for x
    x = 27,132,451.71/5,659.18
  6. Step 6: Final answer
    x = 4,794.41

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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.