Home / 8,722.80-13,066.08-4,267.03

Finding the Fourth Proportional to 8,722.80, 13,066.08 and 4,267.03

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Solution

The fourth proportional to 8,722.80, 13,066.08 and 4,267.03 is: 6,391.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.80 : 13,066.08 = 4,267.03 : x
  2. Step 2: Convert to fraction form
    8,722.80/13,066.08 = 4,267.03/x
  3. Step 3: Cross multiply
    8,722.80x = 13,066.08 × 4,267.03
  4. Step 4: Simplify right side
    8,722.80x = 55,753,355.34
  5. Step 5: Solve for x
    x = 55,753,355.34/8,722.80
  6. Step 6: Final answer
    x = 6,391.68

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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.