Home / 8,456.80-11,675.04-6,331.56

Finding the Fourth Proportional to 8,456.80, 11,675.04 and 6,331.56

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Solution

The fourth proportional to 8,456.80, 11,675.04 and 6,331.56 is: 8,741.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,456.80 : 11,675.04 = 6,331.56 : x
  2. Step 2: Convert to fraction form
    8,456.80/11,675.04 = 6,331.56/x
  3. Step 3: Cross multiply
    8,456.80x = 11,675.04 × 6,331.56
  4. Step 4: Simplify right side
    8,456.80x = 73,921,216.26
  5. Step 5: Solve for x
    x = 73,921,216.26/8,456.80
  6. Step 6: Final answer
    x = 8,741.04

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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.