Home / 9,217.62-12,718.08-5,238

Finding the Fourth Proportional to 9,217.62, 12,718.08 and 5,238

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Solution

The fourth proportional to 9,217.62, 12,718.08 and 5,238 is: 7,227.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,217.62 : 12,718.08 = 5,238 : x
  2. Step 2: Convert to fraction form
    9,217.62/12,718.08 = 5,238/x
  3. Step 3: Cross multiply
    9,217.62x = 12,718.08 × 5,238
  4. Step 4: Simplify right side
    9,217.62x = 66,617,303.04
  5. Step 5: Solve for x
    x = 66,617,303.04/9,217.62
  6. Step 6: Final answer
    x = 7,227.17

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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.