Home / 7,472.88-11,211.75-6,235.20

Finding the Fourth Proportional to 7,472.88, 11,211.75 and 6,235.20

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Solution

The fourth proportional to 7,472.88, 11,211.75 and 6,235.20 is: 9,354.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472.88 : 11,211.75 = 6,235.20 : x
  2. Step 2: Convert to fraction form
    7,472.88/11,211.75 = 6,235.20/x
  3. Step 3: Cross multiply
    7,472.88x = 11,211.75 × 6,235.20
  4. Step 4: Simplify right side
    7,472.88x = 69,907,503.60
  5. Step 5: Solve for x
    x = 69,907,503.60/7,472.88
  6. Step 6: Final answer
    x = 9,354.83

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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.