Home / 5,370.13-8,046.39-5,165.10

Finding the Fourth Proportional to 5,370.13, 8,046.39 and 5,165.10

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Solution

The fourth proportional to 5,370.13, 8,046.39 and 5,165.10 is: 7,739.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,370.13 : 8,046.39 = 5,165.10 : x
  2. Step 2: Convert to fraction form
    5,370.13/8,046.39 = 5,165.10/x
  3. Step 3: Cross multiply
    5,370.13x = 8,046.39 × 5,165.10
  4. Step 4: Simplify right side
    5,370.13x = 41,560,399.30
  5. Step 5: Solve for x
    x = 41,560,399.30/5,370.13
  6. Step 6: Final answer
    x = 7,739.18

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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.