Home / 7,279.80-10,932.90-6,372.60

Finding the Fourth Proportional to 7,279.80, 10,932.90 and 6,372.60

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Solution

The fourth proportional to 7,279.80, 10,932.90 and 6,372.60 is: 9,570.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279.80 : 10,932.90 = 6,372.60 : x
  2. Step 2: Convert to fraction form
    7,279.80/10,932.90 = 6,372.60/x
  3. Step 3: Cross multiply
    7,279.80x = 10,932.90 × 6,372.60
  4. Step 4: Simplify right side
    7,279.80x = 69,670,998.54
  5. Step 5: Solve for x
    x = 69,670,998.54/7,279.80
  6. Step 6: Final answer
    x = 9,570.46

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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.