Home / 8,436.44-11,642.24-4,901.72

Finding the Fourth Proportional to 8,436.44, 11,642.24 and 4,901.72

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Solution

The fourth proportional to 8,436.44, 11,642.24 and 4,901.72 is: 6,764.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436.44 : 11,642.24 = 4,901.72 : x
  2. Step 2: Convert to fraction form
    8,436.44/11,642.24 = 4,901.72/x
  3. Step 3: Cross multiply
    8,436.44x = 11,642.24 × 4,901.72
  4. Step 4: Simplify right side
    8,436.44x = 57,067,000.65
  5. Step 5: Solve for x
    x = 57,067,000.65/8,436.44
  6. Step 6: Final answer
    x = 6,764.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.