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Finding the Fourth Proportional to 9,133.67, 12,604.47 and 6,340.79

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Solution

The fourth proportional to 9,133.67, 12,604.47 and 6,340.79 is: 8,750.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,133.67 : 12,604.47 = 6,340.79 : x
  2. Step 2: Convert to fraction form
    9,133.67/12,604.47 = 6,340.79/x
  3. Step 3: Cross multiply
    9,133.67x = 12,604.47 × 6,340.79
  4. Step 4: Simplify right side
    9,133.67x = 79,922,297.33
  5. Step 5: Solve for x
    x = 79,922,297.33/9,133.67
  6. Step 6: Final answer
    x = 8,750.29

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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.