Home / 8,326.68-11,491.38-4,791.30

Finding the Fourth Proportional to 8,326.68, 11,491.38 and 4,791.30

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Solution

The fourth proportional to 8,326.68, 11,491.38 and 4,791.30 is: 6,612.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,326.68 : 11,491.38 = 4,791.30 : x
  2. Step 2: Convert to fraction form
    8,326.68/11,491.38 = 4,791.30/x
  3. Step 3: Cross multiply
    8,326.68x = 11,491.38 × 4,791.30
  4. Step 4: Simplify right side
    8,326.68x = 55,058,648.99
  5. Step 5: Solve for x
    x = 55,058,648.99/8,326.68
  6. Step 6: Final answer
    x = 6,612.32

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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.