Home / 8,806.80-13,208.58-4,421.46

Finding the Fourth Proportional to 8,806.80, 13,208.58 and 4,421.46

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Solution

The fourth proportional to 8,806.80, 13,208.58 and 4,421.46 is: 6,631.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806.80 : 13,208.58 = 4,421.46 : x
  2. Step 2: Convert to fraction form
    8,806.80/13,208.58 = 4,421.46/x
  3. Step 3: Cross multiply
    8,806.80x = 13,208.58 × 4,421.46
  4. Step 4: Simplify right side
    8,806.80x = 58,401,208.13
  5. Step 5: Solve for x
    x = 58,401,208.13/8,806.80
  6. Step 6: Final answer
    x = 6,631.38

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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.