Home / 9,226.22-12,731.49-5,689.49

Finding the Fourth Proportional to 9,226.22, 12,731.49 and 5,689.49

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Solution

The fourth proportional to 9,226.22, 12,731.49 and 5,689.49 is: 7,851.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,226.22 : 12,731.49 = 5,689.49 : x
  2. Step 2: Convert to fraction form
    9,226.22/12,731.49 = 5,689.49/x
  3. Step 3: Cross multiply
    9,226.22x = 12,731.49 × 5,689.49
  4. Step 4: Simplify right side
    9,226.22x = 72,435,621.38
  5. Step 5: Solve for x
    x = 72,435,621.38/9,226.22
  6. Step 6: Final answer
    x = 7,851.07

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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.