Home / 6,621.60-9,932.40-6,524.40

Finding the Fourth Proportional to 6,621.60, 9,932.40 and 6,524.40

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Solution

The fourth proportional to 6,621.60, 9,932.40 and 6,524.40 is: 9,786.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,621.60 : 9,932.40 = 6,524.40 : x
  2. Step 2: Convert to fraction form
    6,621.60/9,932.40 = 6,524.40/x
  3. Step 3: Cross multiply
    6,621.60x = 9,932.40 × 6,524.40
  4. Step 4: Simplify right side
    6,621.60x = 64,802,950.56
  5. Step 5: Solve for x
    x = 64,802,950.56/6,621.60
  6. Step 6: Final answer
    x = 9,786.60

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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.