Home / 7,605.18-11,407.92-2,608.71

Finding the Fourth Proportional to 7,605.18, 11,407.92 and 2,608.71

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Solution

The fourth proportional to 7,605.18, 11,407.92 and 2,608.71 is: 3,913.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,605.18 : 11,407.92 = 2,608.71 : x
  2. Step 2: Convert to fraction form
    7,605.18/11,407.92 = 2,608.71/x
  3. Step 3: Cross multiply
    7,605.18x = 11,407.92 × 2,608.71
  4. Step 4: Simplify right side
    7,605.18x = 29,759,954.98
  5. Step 5: Solve for x
    x = 29,759,954.98/7,605.18
  6. Step 6: Final answer
    x = 3,913.12

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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.