Home / 7,382.88-11,077.56-3,486.24

Finding the Fourth Proportional to 7,382.88, 11,077.56 and 3,486.24

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Solution

The fourth proportional to 7,382.88, 11,077.56 and 3,486.24 is: 5,230.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.88 : 11,077.56 = 3,486.24 : x
  2. Step 2: Convert to fraction form
    7,382.88/11,077.56 = 3,486.24/x
  3. Step 3: Cross multiply
    7,382.88x = 11,077.56 × 3,486.24
  4. Step 4: Simplify right side
    7,382.88x = 38,619,032.77
  5. Step 5: Solve for x
    x = 38,619,032.77/7,382.88
  6. Step 6: Final answer
    x = 5,230.89

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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.