Home / 8,382.19-11,562.30-4,976.90

Finding the Fourth Proportional to 8,382.19, 11,562.30 and 4,976.90

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Solution

The fourth proportional to 8,382.19, 11,562.30 and 4,976.90 is: 6,865.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,382.19 : 11,562.30 = 4,976.90 : x
  2. Step 2: Convert to fraction form
    8,382.19/11,562.30 = 4,976.90/x
  3. Step 3: Cross multiply
    8,382.19x = 11,562.30 × 4,976.90
  4. Step 4: Simplify right side
    8,382.19x = 57,544,338.27
  5. Step 5: Solve for x
    x = 57,544,338.27/8,382.19
  6. Step 6: Final answer
    x = 6,865.07

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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.