Home / 6,215.68-8,577.20-3,563.12

Finding the Fourth Proportional to 6,215.68, 8,577.20 and 3,563.12

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Solution

The fourth proportional to 6,215.68, 8,577.20 and 3,563.12 is: 4,916.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,215.68 : 8,577.20 = 3,563.12 : x
  2. Step 2: Convert to fraction form
    6,215.68/8,577.20 = 3,563.12/x
  3. Step 3: Cross multiply
    6,215.68x = 8,577.20 × 3,563.12
  4. Step 4: Simplify right side
    6,215.68x = 30,561,592.86
  5. Step 5: Solve for x
    x = 30,561,592.86/6,215.68
  6. Step 6: Final answer
    x = 4,916.85

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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.