Home / 9,211.90-12,712.74-5,232.88

Finding the Fourth Proportional to 9,211.90, 12,712.74 and 5,232.88

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Solution

The fourth proportional to 9,211.90, 12,712.74 and 5,232.88 is: 7,221.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,211.90 : 12,712.74 = 5,232.88 : x
  2. Step 2: Convert to fraction form
    9,211.90/12,712.74 = 5,232.88/x
  3. Step 3: Cross multiply
    9,211.90x = 12,712.74 × 5,232.88
  4. Step 4: Simplify right side
    9,211.90x = 66,524,242.89
  5. Step 5: Solve for x
    x = 66,524,242.89/9,211.90
  6. Step 6: Final answer
    x = 7,221.56

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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.