Home / 7,621.81-11,432.94-2,694.85

Finding the Fourth Proportional to 7,621.81, 11,432.94 and 2,694.85

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Solution

The fourth proportional to 7,621.81, 11,432.94 and 2,694.85 is: 4,042.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.81 : 11,432.94 = 2,694.85 : x
  2. Step 2: Convert to fraction form
    7,621.81/11,432.94 = 2,694.85/x
  3. Step 3: Cross multiply
    7,621.81x = 11,432.94 × 2,694.85
  4. Step 4: Simplify right side
    7,621.81x = 30,810,058.36
  5. Step 5: Solve for x
    x = 30,810,058.36/7,621.81
  6. Step 6: Final answer
    x = 4,042.35

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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.