Home / 7,442.70-11,165.58-6,753.84

Finding the Fourth Proportional to 7,442.70, 11,165.58 and 6,753.84

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Solution

The fourth proportional to 7,442.70, 11,165.58 and 6,753.84 is: 10,132.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,442.70 : 11,165.58 = 6,753.84 : x
  2. Step 2: Convert to fraction form
    7,442.70/11,165.58 = 6,753.84/x
  3. Step 3: Cross multiply
    7,442.70x = 11,165.58 × 6,753.84
  4. Step 4: Simplify right side
    7,442.70x = 75,410,540.83
  5. Step 5: Solve for x
    x = 75,410,540.83/7,442.70
  6. Step 6: Final answer
    x = 10,132.15

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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.