Home / 8,308.24-11,454.60-6,886.72

Finding the Fourth Proportional to 8,308.24, 11,454.60 and 6,886.72

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Solution

The fourth proportional to 8,308.24, 11,454.60 and 6,886.72 is: 9,494.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308.24 : 11,454.60 = 6,886.72 : x
  2. Step 2: Convert to fraction form
    8,308.24/11,454.60 = 6,886.72/x
  3. Step 3: Cross multiply
    8,308.24x = 11,454.60 × 6,886.72
  4. Step 4: Simplify right side
    8,308.24x = 78,884,622.91
  5. Step 5: Solve for x
    x = 78,884,622.91/8,308.24
  6. Step 6: Final answer
    x = 9,494.75

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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.