Home / 7,342.84-11,007.66-2,661.72

Finding the Fourth Proportional to 7,342.84, 11,007.66 and 2,661.72

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Solution

The fourth proportional to 7,342.84, 11,007.66 and 2,661.72 is: 3,990.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.84 : 11,007.66 = 2,661.72 : x
  2. Step 2: Convert to fraction form
    7,342.84/11,007.66 = 2,661.72/x
  3. Step 3: Cross multiply
    7,342.84x = 11,007.66 × 2,661.72
  4. Step 4: Simplify right side
    7,342.84x = 29,299,308.78
  5. Step 5: Solve for x
    x = 29,299,308.78/7,342.84
  6. Step 6: Final answer
    x = 3,990.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.