Home / 5,769.68-8,655.80-2,690

Finding the Fourth Proportional to 5,769.68, 8,655.80 and 2,690

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Solution

The fourth proportional to 5,769.68, 8,655.80 and 2,690 is: 4,035.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,769.68 : 8,655.80 = 2,690 : x
  2. Step 2: Convert to fraction form
    5,769.68/8,655.80 = 2,690/x
  3. Step 3: Cross multiply
    5,769.68x = 8,655.80 × 2,690
  4. Step 4: Simplify right side
    5,769.68x = 23,284,102.00
  5. Step 5: Solve for x
    x = 23,284,102.00/5,769.68
  6. Step 6: Final answer
    x = 4,035.60

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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.