Home / 9,211.32-12,711.45-5,232.39

Finding the Fourth Proportional to 9,211.32, 12,711.45 and 5,232.39

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Solution

The fourth proportional to 9,211.32, 12,711.45 and 5,232.39 is: 7,220.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,211.32 : 12,711.45 = 5,232.39 : x
  2. Step 2: Convert to fraction form
    9,211.32/12,711.45 = 5,232.39/x
  3. Step 3: Cross multiply
    9,211.32x = 12,711.45 × 5,232.39
  4. Step 4: Simplify right side
    9,211.32x = 66,511,263.87
  5. Step 5: Solve for x
    x = 66,511,263.87/9,211.32
  6. Step 6: Final answer
    x = 7,220.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.