Home / 9,211.21-12,713.82-5,233.60

Finding the Fourth Proportional to 9,211.21, 12,713.82 and 5,233.60

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Solution

The fourth proportional to 9,211.21, 12,713.82 and 5,233.60 is: 7,223.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,211.21 : 12,713.82 = 5,233.60 : x
  2. Step 2: Convert to fraction form
    9,211.21/12,713.82 = 5,233.60/x
  3. Step 3: Cross multiply
    9,211.21x = 12,713.82 × 5,233.60
  4. Step 4: Simplify right side
    9,211.21x = 66,539,048.35
  5. Step 5: Solve for x
    x = 66,539,048.35/9,211.21
  6. Step 6: Final answer
    x = 7,223.70

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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.