Home / 9,217.44-12,721.05-5,239.53

Finding the Fourth Proportional to 9,217.44, 12,721.05 and 5,239.53

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Solution

The fourth proportional to 9,217.44, 12,721.05 and 5,239.53 is: 7,231.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,217.44 : 12,721.05 = 5,239.53 : x
  2. Step 2: Convert to fraction form
    9,217.44/12,721.05 = 5,239.53/x
  3. Step 3: Cross multiply
    9,217.44x = 12,721.05 × 5,239.53
  4. Step 4: Simplify right side
    9,217.44x = 66,652,323.11
  5. Step 5: Solve for x
    x = 66,652,323.11/9,217.44
  6. Step 6: Final answer
    x = 7,231.11

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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.