Home / 5,395.74-8,098.65-2,800.50

Finding the Fourth Proportional to 5,395.74, 8,098.65 and 2,800.50

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Solution

The fourth proportional to 5,395.74, 8,098.65 and 2,800.50 is: 4,203.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395.74 : 8,098.65 = 2,800.50 : x
  2. Step 2: Convert to fraction form
    5,395.74/8,098.65 = 2,800.50/x
  3. Step 3: Cross multiply
    5,395.74x = 8,098.65 × 2,800.50
  4. Step 4: Simplify right side
    5,395.74x = 22,680,269.33
  5. Step 5: Solve for x
    x = 22,680,269.33/5,395.74
  6. Step 6: Final answer
    x = 4,203.37

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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.