Home / 7,378.30-11,059.46-3,632.66

Finding the Fourth Proportional to 7,378.30, 11,059.46 and 3,632.66

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Solution

The fourth proportional to 7,378.30, 11,059.46 and 3,632.66 is: 5,445.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378.30 : 11,059.46 = 3,632.66 : x
  2. Step 2: Convert to fraction form
    7,378.30/11,059.46 = 3,632.66/x
  3. Step 3: Cross multiply
    7,378.30x = 11,059.46 × 3,632.66
  4. Step 4: Simplify right side
    7,378.30x = 40,175,257.96
  5. Step 5: Solve for x
    x = 40,175,257.96/7,378.30
  6. Step 6: Final answer
    x = 5,445.06

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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.