Home / 8,265.78-11,406.46-4,488.86

Finding the Fourth Proportional to 8,265.78, 11,406.46 and 4,488.86

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Solution

The fourth proportional to 8,265.78, 11,406.46 and 4,488.86 is: 6,194.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,265.78 : 11,406.46 = 4,488.86 : x
  2. Step 2: Convert to fraction form
    8,265.78/11,406.46 = 4,488.86/x
  3. Step 3: Cross multiply
    8,265.78x = 11,406.46 × 4,488.86
  4. Step 4: Simplify right side
    8,265.78x = 51,201,979.59
  5. Step 5: Solve for x
    x = 51,201,979.59/8,265.78
  6. Step 6: Final answer
    x = 6,194.46

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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.