Home / 5,756.50-8,639.61-2,293.75

Finding the Fourth Proportional to 5,756.50, 8,639.61 and 2,293.75

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Solution

The fourth proportional to 5,756.50, 8,639.61 and 2,293.75 is: 3,442.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,756.50 : 8,639.61 = 2,293.75 : x
  2. Step 2: Convert to fraction form
    5,756.50/8,639.61 = 2,293.75/x
  3. Step 3: Cross multiply
    5,756.50x = 8,639.61 × 2,293.75
  4. Step 4: Simplify right side
    5,756.50x = 19,817,105.44
  5. Step 5: Solve for x
    x = 19,817,105.44/5,756.50
  6. Step 6: Final answer
    x = 3,442.56

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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.