Home / 9,125.26-12,583.91-5,540.74

Finding the Fourth Proportional to 9,125.26, 12,583.91 and 5,540.74

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Solution

The fourth proportional to 9,125.26, 12,583.91 and 5,540.74 is: 7,640.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,125.26 : 12,583.91 = 5,540.74 : x
  2. Step 2: Convert to fraction form
    9,125.26/12,583.91 = 5,540.74/x
  3. Step 3: Cross multiply
    9,125.26x = 12,583.91 × 5,540.74
  4. Step 4: Simplify right side
    9,125.26x = 69,724,177.81
  5. Step 5: Solve for x
    x = 69,724,177.81/9,125.26
  6. Step 6: Final answer
    x = 7,640.79

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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.