Home / 9,270.64-12,793.26-5,078.80

Finding the Fourth Proportional to 9,270.64, 12,793.26 and 5,078.80

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Solution

The fourth proportional to 9,270.64, 12,793.26 and 5,078.80 is: 7,008.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,270.64 : 12,793.26 = 5,078.80 : x
  2. Step 2: Convert to fraction form
    9,270.64/12,793.26 = 5,078.80/x
  3. Step 3: Cross multiply
    9,270.64x = 12,793.26 × 5,078.80
  4. Step 4: Simplify right side
    9,270.64x = 64,974,408.89
  5. Step 5: Solve for x
    x = 64,974,408.89/9,270.64
  6. Step 6: Final answer
    x = 7,008.62

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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.