Home / 7,081.28-10,623.50-2,083.78

Finding the Fourth Proportional to 7,081.28, 10,623.50 and 2,083.78

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Solution

The fourth proportional to 7,081.28, 10,623.50 and 2,083.78 is: 3,126.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,081.28 : 10,623.50 = 2,083.78 : x
  2. Step 2: Convert to fraction form
    7,081.28/10,623.50 = 2,083.78/x
  3. Step 3: Cross multiply
    7,081.28x = 10,623.50 × 2,083.78
  4. Step 4: Simplify right side
    7,081.28x = 22,137,036.83
  5. Step 5: Solve for x
    x = 22,137,036.83/7,081.28
  6. Step 6: Final answer
    x = 3,126.13

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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.