Home / 6,249.19-8,621.62-3,825.76

Finding the Fourth Proportional to 6,249.19, 8,621.62 and 3,825.76

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Solution

The fourth proportional to 6,249.19, 8,621.62 and 3,825.76 is: 5,278.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,249.19 : 8,621.62 = 3,825.76 : x
  2. Step 2: Convert to fraction form
    6,249.19/8,621.62 = 3,825.76/x
  3. Step 3: Cross multiply
    6,249.19x = 8,621.62 × 3,825.76
  4. Step 4: Simplify right side
    6,249.19x = 32,984,248.93
  5. Step 5: Solve for x
    x = 32,984,248.93/6,249.19
  6. Step 6: Final answer
    x = 5,278.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.