Home / 7,642.52-11,438.26-4,354.73

Finding the Fourth Proportional to 7,642.52, 11,438.26 and 4,354.73

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Solution

The fourth proportional to 7,642.52, 11,438.26 and 4,354.73 is: 6,517.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,642.52 : 11,438.26 = 4,354.73 : x
  2. Step 2: Convert to fraction form
    7,642.52/11,438.26 = 4,354.73/x
  3. Step 3: Cross multiply
    7,642.52x = 11,438.26 × 4,354.73
  4. Step 4: Simplify right side
    7,642.52x = 49,810,533.28
  5. Step 5: Solve for x
    x = 49,810,533.28/7,642.52
  6. Step 6: Final answer
    x = 6,517.55

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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.