Home / 9,266-12,787.14-5,287.08

Finding the Fourth Proportional to 9,266, 12,787.14 and 5,287.08

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Solution

The fourth proportional to 9,266, 12,787.14 and 5,287.08 is: 7,296.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,266 : 12,787.14 = 5,287.08 : x
  2. Step 2: Convert to fraction form
    9,266/12,787.14 = 5,287.08/x
  3. Step 3: Cross multiply
    9,266x = 12,787.14 × 5,287.08
  4. Step 4: Simplify right side
    9,266x = 67,606,632.15
  5. Step 5: Solve for x
    x = 67,606,632.15/9,266
  6. Step 6: Final answer
    x = 7,296.20

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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.