Home / 6,520.60-9,780.90-2,624.56

Finding the Fourth Proportional to 6,520.60, 9,780.90 and 2,624.56

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Solution

The fourth proportional to 6,520.60, 9,780.90 and 2,624.56 is: 3,936.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520.60 : 9,780.90 = 2,624.56 : x
  2. Step 2: Convert to fraction form
    6,520.60/9,780.90 = 2,624.56/x
  3. Step 3: Cross multiply
    6,520.60x = 9,780.90 × 2,624.56
  4. Step 4: Simplify right side
    6,520.60x = 25,670,558.90
  5. Step 5: Solve for x
    x = 25,670,558.90/6,520.60
  6. Step 6: Final answer
    x = 3,936.84

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Similar ratio
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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.