Home / 7,211.52-10,806.08-5,474.88

Finding the Fourth Proportional to 7,211.52, 10,806.08 and 5,474.88

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Solution

The fourth proportional to 7,211.52, 10,806.08 and 5,474.88 is: 8,203.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211.52 : 10,806.08 = 5,474.88 : x
  2. Step 2: Convert to fraction form
    7,211.52/10,806.08 = 5,474.88/x
  3. Step 3: Cross multiply
    7,211.52x = 10,806.08 × 5,474.88
  4. Step 4: Simplify right side
    7,211.52x = 59,161,991.27
  5. Step 5: Solve for x
    x = 59,161,991.27/7,211.52
  6. Step 6: Final answer
    x = 8,203.82

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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.