Home / 5,491.60-8,229.30-4,665.40

Finding the Fourth Proportional to 5,491.60, 8,229.30 and 4,665.40

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Solution

The fourth proportional to 5,491.60, 8,229.30 and 4,665.40 is: 6,991.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491.60 : 8,229.30 = 4,665.40 : x
  2. Step 2: Convert to fraction form
    5,491.60/8,229.30 = 4,665.40/x
  3. Step 3: Cross multiply
    5,491.60x = 8,229.30 × 4,665.40
  4. Step 4: Simplify right side
    5,491.60x = 38,392,976.22
  5. Step 5: Solve for x
    x = 38,392,976.22/5,491.60
  6. Step 6: Final answer
    x = 6,991.22

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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.