Home / 7,452.20-11,178.30-6,609.80

Finding the Fourth Proportional to 7,452.20, 11,178.30 and 6,609.80

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Solution

The fourth proportional to 7,452.20, 11,178.30 and 6,609.80 is: 9,914.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,452.20 : 11,178.30 = 6,609.80 : x
  2. Step 2: Convert to fraction form
    7,452.20/11,178.30 = 6,609.80/x
  3. Step 3: Cross multiply
    7,452.20x = 11,178.30 × 6,609.80
  4. Step 4: Simplify right side
    7,452.20x = 73,886,327.34
  5. Step 5: Solve for x
    x = 73,886,327.34/7,452.20
  6. Step 6: Final answer
    x = 9,914.70

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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.