Home / 7,689.26-11,534.46-2,758.94

Finding the Fourth Proportional to 7,689.26, 11,534.46 and 2,758.94

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Solution

The fourth proportional to 7,689.26, 11,534.46 and 2,758.94 is: 4,138.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,689.26 : 11,534.46 = 2,758.94 : x
  2. Step 2: Convert to fraction form
    7,689.26/11,534.46 = 2,758.94/x
  3. Step 3: Cross multiply
    7,689.26x = 11,534.46 × 2,758.94
  4. Step 4: Simplify right side
    7,689.26x = 31,822,938.71
  5. Step 5: Solve for x
    x = 31,822,938.71/7,689.26
  6. Step 6: Final answer
    x = 4,138.62

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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.