Home / 5,280.75-7,923.86-2,683.69

Finding the Fourth Proportional to 5,280.75, 7,923.86 and 2,683.69

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Solution

The fourth proportional to 5,280.75, 7,923.86 and 2,683.69 is: 4,026.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.75 : 7,923.86 = 2,683.69 : x
  2. Step 2: Convert to fraction form
    5,280.75/7,923.86 = 2,683.69/x
  3. Step 3: Cross multiply
    5,280.75x = 7,923.86 × 2,683.69
  4. Step 4: Simplify right side
    5,280.75x = 21,265,160.68
  5. Step 5: Solve for x
    x = 21,265,160.68/5,280.75
  6. Step 6: Final answer
    x = 4,026.92

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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.