Home / 5,769.11-8,636.86-4,388.06

Finding the Fourth Proportional to 5,769.11, 8,636.86 and 4,388.06

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Solution

The fourth proportional to 5,769.11, 8,636.86 and 4,388.06 is: 6,569.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,769.11 : 8,636.86 = 4,388.06 : x
  2. Step 2: Convert to fraction form
    5,769.11/8,636.86 = 4,388.06/x
  3. Step 3: Cross multiply
    5,769.11x = 8,636.86 × 4,388.06
  4. Step 4: Simplify right side
    5,769.11x = 37,899,086.97
  5. Step 5: Solve for x
    x = 37,899,086.97/5,769.11
  6. Step 6: Final answer
    x = 6,569.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.