Home / 9,217.57-12,720.21-5,025.82

Finding the Fourth Proportional to 9,217.57, 12,720.21 and 5,025.82

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Solution

The fourth proportional to 9,217.57, 12,720.21 and 5,025.82 is: 6,935.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,217.57 : 12,720.21 = 5,025.82 : x
  2. Step 2: Convert to fraction form
    9,217.57/12,720.21 = 5,025.82/x
  3. Step 3: Cross multiply
    9,217.57x = 12,720.21 × 5,025.82
  4. Step 4: Simplify right side
    9,217.57x = 63,929,422.22
  5. Step 5: Solve for x
    x = 63,929,422.22/9,217.57
  6. Step 6: Final answer
    x = 6,935.61

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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.