Home / 7,928.40-11,882.27-4,418.27

Finding the Fourth Proportional to 7,928.40, 11,882.27 and 4,418.27

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Solution

The fourth proportional to 7,928.40, 11,882.27 and 4,418.27 is: 6,621.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.40 : 11,882.27 = 4,418.27 : x
  2. Step 2: Convert to fraction form
    7,928.40/11,882.27 = 4,418.27/x
  3. Step 3: Cross multiply
    7,928.40x = 11,882.27 × 4,418.27
  4. Step 4: Simplify right side
    7,928.40x = 52,499,077.07
  5. Step 5: Solve for x
    x = 52,499,077.07/7,928.40
  6. Step 6: Final answer
    x = 6,621.65

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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.