Home / 7,616.77-11,426.51-2,689.27

Finding the Fourth Proportional to 7,616.77, 11,426.51 and 2,689.27

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Solution

The fourth proportional to 7,616.77, 11,426.51 and 2,689.27 is: 4,034.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,616.77 : 11,426.51 = 2,689.27 : x
  2. Step 2: Convert to fraction form
    7,616.77/11,426.51 = 2,689.27/x
  3. Step 3: Cross multiply
    7,616.77x = 11,426.51 × 2,689.27
  4. Step 4: Simplify right side
    7,616.77x = 30,728,970.55
  5. Step 5: Solve for x
    x = 30,728,970.55/7,616.77
  6. Step 6: Final answer
    x = 4,034.38

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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.