Home / 9,328.45-12,874.38-5,349.56

Finding the Fourth Proportional to 9,328.45, 12,874.38 and 5,349.56

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Solution

The fourth proportional to 9,328.45, 12,874.38 and 5,349.56 is: 7,383.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328.45 : 12,874.38 = 5,349.56 : x
  2. Step 2: Convert to fraction form
    9,328.45/12,874.38 = 5,349.56/x
  3. Step 3: Cross multiply
    9,328.45x = 12,874.38 × 5,349.56
  4. Step 4: Simplify right side
    9,328.45x = 68,872,177.15
  5. Step 5: Solve for x
    x = 68,872,177.15/9,328.45
  6. Step 6: Final answer
    x = 7,383.03

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1.5x scale

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.