Home / 5,399.10-8,098.04-2,279.60

Finding the Fourth Proportional to 5,399.10, 8,098.04 and 2,279.60

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Solution

The fourth proportional to 5,399.10, 8,098.04 and 2,279.60 is: 3,419.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399.10 : 8,098.04 = 2,279.60 : x
  2. Step 2: Convert to fraction form
    5,399.10/8,098.04 = 2,279.60/x
  3. Step 3: Cross multiply
    5,399.10x = 8,098.04 × 2,279.60
  4. Step 4: Simplify right side
    5,399.10x = 18,460,240.10
  5. Step 5: Solve for x
    x = 18,460,240.10/5,399.10
  6. Step 6: Final answer
    x = 3,419.13

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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.