Home / 6,372.16-9,552.78-2,421.20

Finding the Fourth Proportional to 6,372.16, 9,552.78 and 2,421.20

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Solution

The fourth proportional to 6,372.16, 9,552.78 and 2,421.20 is: 3,629.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,372.16 : 9,552.78 = 2,421.20 : x
  2. Step 2: Convert to fraction form
    6,372.16/9,552.78 = 2,421.20/x
  3. Step 3: Cross multiply
    6,372.16x = 9,552.78 × 2,421.20
  4. Step 4: Simplify right side
    6,372.16x = 23,129,190.94
  5. Step 5: Solve for x
    x = 23,129,190.94/6,372.16
  6. Step 6: Final answer
    x = 3,629.73

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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.