Home / 7,284.24-10,919.88-2,666.16

Finding the Fourth Proportional to 7,284.24, 10,919.88 and 2,666.16

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Solution

The fourth proportional to 7,284.24, 10,919.88 and 2,666.16 is: 3,996.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,284.24 : 10,919.88 = 2,666.16 : x
  2. Step 2: Convert to fraction form
    7,284.24/10,919.88 = 2,666.16/x
  3. Step 3: Cross multiply
    7,284.24x = 10,919.88 × 2,666.16
  4. Step 4: Simplify right side
    7,284.24x = 29,114,147.26
  5. Step 5: Solve for x
    x = 29,114,147.26/7,284.24
  6. Step 6: Final answer
    x = 3,996.87

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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.