Home / 9,317.68-12,851.49-6,761.79

Finding the Fourth Proportional to 9,317.68, 12,851.49 and 6,761.79

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Solution

The fourth proportional to 9,317.68, 12,851.49 and 6,761.79 is: 9,326.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,317.68 : 12,851.49 = 6,761.79 : x
  2. Step 2: Convert to fraction form
    9,317.68/12,851.49 = 6,761.79/x
  3. Step 3: Cross multiply
    9,317.68x = 12,851.49 × 6,761.79
  4. Step 4: Simplify right side
    9,317.68x = 86,899,076.57
  5. Step 5: Solve for x
    x = 86,899,076.57/9,317.68
  6. Step 6: Final answer
    x = 9,326.26

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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.