Home / 7,629.60-11,445.12-3,246.96

Finding the Fourth Proportional to 7,629.60, 11,445.12 and 3,246.96

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Solution

The fourth proportional to 7,629.60, 11,445.12 and 3,246.96 is: 4,870.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.60 : 11,445.12 = 3,246.96 : x
  2. Step 2: Convert to fraction form
    7,629.60/11,445.12 = 3,246.96/x
  3. Step 3: Cross multiply
    7,629.60x = 11,445.12 × 3,246.96
  4. Step 4: Simplify right side
    7,629.60x = 37,161,846.84
  5. Step 5: Solve for x
    x = 37,161,846.84/7,629.60
  6. Step 6: Final answer
    x = 4,870.75

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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.