Home / 7,523.15-11,279.79-3,820.23

Finding the Fourth Proportional to 7,523.15, 11,279.79 and 3,820.23

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Solution

The fourth proportional to 7,523.15, 11,279.79 and 3,820.23 is: 5,727.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,523.15 : 11,279.79 = 3,820.23 : x
  2. Step 2: Convert to fraction form
    7,523.15/11,279.79 = 3,820.23/x
  3. Step 3: Cross multiply
    7,523.15x = 11,279.79 × 3,820.23
  4. Step 4: Simplify right side
    7,523.15x = 43,091,392.15
  5. Step 5: Solve for x
    x = 43,091,392.15/7,523.15
  6. Step 6: Final answer
    x = 5,727.84

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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.