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Finding the Fourth Proportional to 5,769.95, 8,660.03 and 2,998.53

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Solution

The fourth proportional to 5,769.95, 8,660.03 and 2,998.53 is: 4,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,769.95 : 8,660.03 = 2,998.53 : x
  2. Step 2: Convert to fraction form
    5,769.95/8,660.03 = 2,998.53/x
  3. Step 3: Cross multiply
    5,769.95x = 8,660.03 × 2,998.53
  4. Step 4: Simplify right side
    5,769.95x = 25,967,344.76
  5. Step 5: Solve for x
    x = 25,967,344.76/5,769.95
  6. Step 6: Final answer
    x = 4,500.45

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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.