Home / 8,815.98-13,225.77-2,972.46

Finding the Fourth Proportional to 8,815.98, 13,225.77 and 2,972.46

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Solution

The fourth proportional to 8,815.98, 13,225.77 and 2,972.46 is: 4,459.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.98 : 13,225.77 = 2,972.46 : x
  2. Step 2: Convert to fraction form
    8,815.98/13,225.77 = 2,972.46/x
  3. Step 3: Cross multiply
    8,815.98x = 13,225.77 × 2,972.46
  4. Step 4: Simplify right side
    8,815.98x = 39,313,072.29
  5. Step 5: Solve for x
    x = 39,313,072.29/8,815.98
  6. Step 6: Final answer
    x = 4,459.30

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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.