Home / 7,443.77-11,168.56-3,280.85

Finding the Fourth Proportional to 7,443.77, 11,168.56 and 3,280.85

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Solution

The fourth proportional to 7,443.77, 11,168.56 and 3,280.85 is: 4,922.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,443.77 : 11,168.56 = 3,280.85 : x
  2. Step 2: Convert to fraction form
    7,443.77/11,168.56 = 3,280.85/x
  3. Step 3: Cross multiply
    7,443.77x = 11,168.56 × 3,280.85
  4. Step 4: Simplify right side
    7,443.77x = 36,642,370.08
  5. Step 5: Solve for x
    x = 36,642,370.08/7,443.77
  6. Step 6: Final answer
    x = 4,922.56

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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.