Home / 8,116.71-11,201.05-4,579.92

Finding the Fourth Proportional to 8,116.71, 11,201.05 and 4,579.92

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Solution

The fourth proportional to 8,116.71, 11,201.05 and 4,579.92 is: 6,320.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,116.71 : 11,201.05 = 4,579.92 : x
  2. Step 2: Convert to fraction form
    8,116.71/11,201.05 = 4,579.92/x
  3. Step 3: Cross multiply
    8,116.71x = 11,201.05 × 4,579.92
  4. Step 4: Simplify right side
    8,116.71x = 51,299,912.92
  5. Step 5: Solve for x
    x = 51,299,912.92/8,116.71
  6. Step 6: Final answer
    x = 6,320.28

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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.