Home / 8,112.60-11,192.25-4,924.74

Finding the Fourth Proportional to 8,112.60, 11,192.25 and 4,924.74

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Solution

The fourth proportional to 8,112.60, 11,192.25 and 4,924.74 is: 6,794.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,112.60 : 11,192.25 = 4,924.74 : x
  2. Step 2: Convert to fraction form
    8,112.60/11,192.25 = 4,924.74/x
  3. Step 3: Cross multiply
    8,112.60x = 11,192.25 × 4,924.74
  4. Step 4: Simplify right side
    8,112.60x = 55,118,921.27
  5. Step 5: Solve for x
    x = 55,118,921.27/8,112.60
  6. Step 6: Final answer
    x = 6,794.24

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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.