Home / 6,301.20-9,446.40-5,645.10

Finding the Fourth Proportional to 6,301.20, 9,446.40 and 5,645.10

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Solution

The fourth proportional to 6,301.20, 9,446.40 and 5,645.10 is: 8,462.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,301.20 : 9,446.40 = 5,645.10 : x
  2. Step 2: Convert to fraction form
    6,301.20/9,446.40 = 5,645.10/x
  3. Step 3: Cross multiply
    6,301.20x = 9,446.40 × 5,645.10
  4. Step 4: Simplify right side
    6,301.20x = 53,325,872.64
  5. Step 5: Solve for x
    x = 53,325,872.64/6,301.20
  6. Step 6: Final answer
    x = 8,462.81

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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.