Home / 9,110.19-12,572.09-5,282.57

Finding the Fourth Proportional to 9,110.19, 12,572.09 and 5,282.57

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Solution

The fourth proportional to 9,110.19, 12,572.09 and 5,282.57 is: 7,289.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,110.19 : 12,572.09 = 5,282.57 : x
  2. Step 2: Convert to fraction form
    9,110.19/12,572.09 = 5,282.57/x
  3. Step 3: Cross multiply
    9,110.19x = 12,572.09 × 5,282.57
  4. Step 4: Simplify right side
    9,110.19x = 66,412,884.72
  5. Step 5: Solve for x
    x = 66,412,884.72/9,110.19
  6. Step 6: Final answer
    x = 7,289.96

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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.