Home / 5,645.24-8,460.75-4,002.20

Finding the Fourth Proportional to 5,645.24, 8,460.75 and 4,002.20

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Solution

The fourth proportional to 5,645.24, 8,460.75 and 4,002.20 is: 5,998.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,645.24 : 8,460.75 = 4,002.20 : x
  2. Step 2: Convert to fraction form
    5,645.24/8,460.75 = 4,002.20/x
  3. Step 3: Cross multiply
    5,645.24x = 8,460.75 × 4,002.20
  4. Step 4: Simplify right side
    5,645.24x = 33,861,613.65
  5. Step 5: Solve for x
    x = 33,861,613.65/5,645.24
  6. Step 6: Final answer
    x = 5,998.26

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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.