Home / 8,235.98-11,367.27-6,439.91

Finding the Fourth Proportional to 8,235.98, 11,367.27 and 6,439.91

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Solution

The fourth proportional to 8,235.98, 11,367.27 and 6,439.91 is: 8,888.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,235.98 : 11,367.27 = 6,439.91 : x
  2. Step 2: Convert to fraction form
    8,235.98/11,367.27 = 6,439.91/x
  3. Step 3: Cross multiply
    8,235.98x = 11,367.27 × 6,439.91
  4. Step 4: Simplify right side
    8,235.98x = 73,204,195.75
  5. Step 5: Solve for x
    x = 73,204,195.75/8,235.98
  6. Step 6: Final answer
    x = 8,888.34

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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.