Home / 7,382.25-11,071.47-2,186.91

Finding the Fourth Proportional to 7,382.25, 11,071.47 and 2,186.91

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Solution

The fourth proportional to 7,382.25, 11,071.47 and 2,186.91 is: 3,279.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.25 : 11,071.47 = 2,186.91 : x
  2. Step 2: Convert to fraction form
    7,382.25/11,071.47 = 2,186.91/x
  3. Step 3: Cross multiply
    7,382.25x = 11,071.47 × 2,186.91
  4. Step 4: Simplify right side
    7,382.25x = 24,212,308.46
  5. Step 5: Solve for x
    x = 24,212,308.46/7,382.25
  6. Step 6: Final answer
    x = 3,279.80

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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.