Home / 8,115.24-11,199.42-4,758

Finding the Fourth Proportional to 8,115.24, 11,199.42 and 4,758

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Solution

The fourth proportional to 8,115.24, 11,199.42 and 4,758 is: 6,566.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,115.24 : 11,199.42 = 4,758 : x
  2. Step 2: Convert to fraction form
    8,115.24/11,199.42 = 4,758/x
  3. Step 3: Cross multiply
    8,115.24x = 11,199.42 × 4,758
  4. Step 4: Simplify right side
    8,115.24x = 53,286,840.36
  5. Step 5: Solve for x
    x = 53,286,840.36/8,115.24
  6. Step 6: Final answer
    x = 6,566.27

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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.