Home / 8,284.78-11,421.29-5,922.82

Finding the Fourth Proportional to 8,284.78, 11,421.29 and 5,922.82

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Solution

The fourth proportional to 8,284.78, 11,421.29 and 5,922.82 is: 8,165.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,284.78 : 11,421.29 = 5,922.82 : x
  2. Step 2: Convert to fraction form
    8,284.78/11,421.29 = 5,922.82/x
  3. Step 3: Cross multiply
    8,284.78x = 11,421.29 × 5,922.82
  4. Step 4: Simplify right side
    8,284.78x = 67,646,231.09
  5. Step 5: Solve for x
    x = 67,646,231.09/8,284.78
  6. Step 6: Final answer
    x = 8,165.12

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1.5x scale

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.