Home / 8,235.78-12,353.49-2,392.14

Finding the Fourth Proportional to 8,235.78, 12,353.49 and 2,392.14

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Solution

The fourth proportional to 8,235.78, 12,353.49 and 2,392.14 is: 3,588.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,235.78 : 12,353.49 = 2,392.14 : x
  2. Step 2: Convert to fraction form
    8,235.78/12,353.49 = 2,392.14/x
  3. Step 3: Cross multiply
    8,235.78x = 12,353.49 × 2,392.14
  4. Step 4: Simplify right side
    8,235.78x = 29,551,277.57
  5. Step 5: Solve for x
    x = 29,551,277.57/8,235.78
  6. Step 6: Final answer
    x = 3,588.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.