Home / 8,772.35-13,161.80-5,264.87

Finding the Fourth Proportional to 8,772.35, 13,161.80 and 5,264.87

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Solution

The fourth proportional to 8,772.35, 13,161.80 and 5,264.87 is: 7,899.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,772.35 : 13,161.80 = 5,264.87 : x
  2. Step 2: Convert to fraction form
    8,772.35/13,161.80 = 5,264.87/x
  3. Step 3: Cross multiply
    8,772.35x = 13,161.80 × 5,264.87
  4. Step 4: Simplify right side
    8,772.35x = 69,295,172.55
  5. Step 5: Solve for x
    x = 69,295,172.55/8,772.35
  6. Step 6: Final answer
    x = 7,899.27

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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.