Home / 7,631.60-11,442.72-3,246.56

Finding the Fourth Proportional to 7,631.60, 11,442.72 and 3,246.56

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Solution

The fourth proportional to 7,631.60, 11,442.72 and 3,246.56 is: 4,867.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.60 : 11,442.72 = 3,246.56 : x
  2. Step 2: Convert to fraction form
    7,631.60/11,442.72 = 3,246.56/x
  3. Step 3: Cross multiply
    7,631.60x = 11,442.72 × 3,246.56
  4. Step 4: Simplify right side
    7,631.60x = 37,149,477.04
  5. Step 5: Solve for x
    x = 37,149,477.04/7,631.60
  6. Step 6: Final answer
    x = 4,867.85

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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.