Home / 8,375.80-11,562.38-6,386.52

Finding the Fourth Proportional to 8,375.80, 11,562.38 and 6,386.52

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Solution

The fourth proportional to 8,375.80, 11,562.38 and 6,386.52 is: 8,816.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375.80 : 11,562.38 = 6,386.52 : x
  2. Step 2: Convert to fraction form
    8,375.80/11,562.38 = 6,386.52/x
  3. Step 3: Cross multiply
    8,375.80x = 11,562.38 × 6,386.52
  4. Step 4: Simplify right side
    8,375.80x = 73,843,371.12
  5. Step 5: Solve for x
    x = 73,843,371.12/8,375.80
  6. Step 6: Final answer
    x = 8,816.28

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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.