Home / 8,217.31-11,338.29-5,031.33

Finding the Fourth Proportional to 8,217.31, 11,338.29 and 5,031.33

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Solution

The fourth proportional to 8,217.31, 11,338.29 and 5,031.33 is: 6,942.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217.31 : 11,338.29 = 5,031.33 : x
  2. Step 2: Convert to fraction form
    8,217.31/11,338.29 = 5,031.33/x
  3. Step 3: Cross multiply
    8,217.31x = 11,338.29 × 5,031.33
  4. Step 4: Simplify right side
    8,217.31x = 57,046,678.63
  5. Step 5: Solve for x
    x = 57,046,678.63/8,217.31
  6. Step 6: Final answer
    x = 6,942.26

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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.