Home / 8,807.28-13,211.32-3,609.50

Finding the Fourth Proportional to 8,807.28, 13,211.32 and 3,609.50

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Solution

The fourth proportional to 8,807.28, 13,211.32 and 3,609.50 is: 5,414.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,807.28 : 13,211.32 = 3,609.50 : x
  2. Step 2: Convert to fraction form
    8,807.28/13,211.32 = 3,609.50/x
  3. Step 3: Cross multiply
    8,807.28x = 13,211.32 × 3,609.50
  4. Step 4: Simplify right side
    8,807.28x = 47,686,259.54
  5. Step 5: Solve for x
    x = 47,686,259.54/8,807.28
  6. Step 6: Final answer
    x = 5,414.41

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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.