Home / 9,134.19-12,605.22-5,778.54

Finding the Fourth Proportional to 9,134.19, 12,605.22 and 5,778.54

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Solution

The fourth proportional to 9,134.19, 12,605.22 and 5,778.54 is: 7,974.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,134.19 : 12,605.22 = 5,778.54 : x
  2. Step 2: Convert to fraction form
    9,134.19/12,605.22 = 5,778.54/x
  3. Step 3: Cross multiply
    9,134.19x = 12,605.22 × 5,778.54
  4. Step 4: Simplify right side
    9,134.19x = 72,839,767.98
  5. Step 5: Solve for x
    x = 72,839,767.98/9,134.19
  6. Step 6: Final answer
    x = 7,974.41

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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.