Home / 7,291.26-10,939.19-2,611.17

Finding the Fourth Proportional to 7,291.26, 10,939.19 and 2,611.17

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Solution

The fourth proportional to 7,291.26, 10,939.19 and 2,611.17 is: 3,917.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,291.26 : 10,939.19 = 2,611.17 : x
  2. Step 2: Convert to fraction form
    7,291.26/10,939.19 = 2,611.17/x
  3. Step 3: Cross multiply
    7,291.26x = 10,939.19 × 2,611.17
  4. Step 4: Simplify right side
    7,291.26x = 28,564,071.70
  5. Step 5: Solve for x
    x = 28,564,071.70/7,291.26
  6. Step 6: Final answer
    x = 3,917.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.