Home / 9,266.61-12,787.23-5,286.93

Finding the Fourth Proportional to 9,266.61, 12,787.23 and 5,286.93

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Solution

The fourth proportional to 9,266.61, 12,787.23 and 5,286.93 is: 7,295.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,266.61 : 12,787.23 = 5,286.93 : x
  2. Step 2: Convert to fraction form
    9,266.61/12,787.23 = 5,286.93/x
  3. Step 3: Cross multiply
    9,266.61x = 12,787.23 × 5,286.93
  4. Step 4: Simplify right side
    9,266.61x = 67,605,189.90
  5. Step 5: Solve for x
    x = 67,605,189.90/9,266.61
  6. Step 6: Final answer
    x = 7,295.57

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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.