Home / 9,211.11-12,711.36-5,232.26

Finding the Fourth Proportional to 9,211.11, 12,711.36 and 5,232.26

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Solution

The fourth proportional to 9,211.11, 12,711.36 and 5,232.26 is: 7,220.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,211.11 : 12,711.36 = 5,232.26 : x
  2. Step 2: Convert to fraction form
    9,211.11/12,711.36 = 5,232.26/x
  3. Step 3: Cross multiply
    9,211.11x = 12,711.36 × 5,232.26
  4. Step 4: Simplify right side
    9,211.11x = 66,509,076.92
  5. Step 5: Solve for x
    x = 66,509,076.92/9,211.11
  6. Step 6: Final answer
    x = 7,220.53

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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.