Home / 8,164.20-11,267.16-4,627.44

Finding the Fourth Proportional to 8,164.20, 11,267.16 and 4,627.44

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Solution

The fourth proportional to 8,164.20, 11,267.16 and 4,627.44 is: 6,386.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,164.20 : 11,267.16 = 4,627.44 : x
  2. Step 2: Convert to fraction form
    8,164.20/11,267.16 = 4,627.44/x
  3. Step 3: Cross multiply
    8,164.20x = 11,267.16 × 4,627.44
  4. Step 4: Simplify right side
    8,164.20x = 52,138,106.87
  5. Step 5: Solve for x
    x = 52,138,106.87/8,164.20
  6. Step 6: Final answer
    x = 6,386.19

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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.