Home / 5,541.40-8,320.20-4,310.20

Finding the Fourth Proportional to 5,541.40, 8,320.20 and 4,310.20

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Solution

The fourth proportional to 5,541.40, 8,320.20 and 4,310.20 is: 6,471.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.40 : 8,320.20 = 4,310.20 : x
  2. Step 2: Convert to fraction form
    5,541.40/8,320.20 = 4,310.20/x
  3. Step 3: Cross multiply
    5,541.40x = 8,320.20 × 4,310.20
  4. Step 4: Simplify right side
    5,541.40x = 35,861,726.04
  5. Step 5: Solve for x
    x = 35,861,726.04/5,541.40
  6. Step 6: Final answer
    x = 6,471.60

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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.