Home / 8,100.87-11,179.18-4,564.11

Finding the Fourth Proportional to 8,100.87, 11,179.18 and 4,564.11

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Solution

The fourth proportional to 8,100.87, 11,179.18 and 4,564.11 is: 6,298.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,100.87 : 11,179.18 = 4,564.11 : x
  2. Step 2: Convert to fraction form
    8,100.87/11,179.18 = 4,564.11/x
  3. Step 3: Cross multiply
    8,100.87x = 11,179.18 × 4,564.11
  4. Step 4: Simplify right side
    8,100.87x = 51,023,007.23
  5. Step 5: Solve for x
    x = 51,023,007.23/8,100.87
  6. Step 6: Final answer
    x = 6,298.46

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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.