Home / 8,748.63-13,121.10-3,204.57

Finding the Fourth Proportional to 8,748.63, 13,121.10 and 3,204.57

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Solution

The fourth proportional to 8,748.63, 13,121.10 and 3,204.57 is: 4,806.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748.63 : 13,121.10 = 3,204.57 : x
  2. Step 2: Convert to fraction form
    8,748.63/13,121.10 = 3,204.57/x
  3. Step 3: Cross multiply
    8,748.63x = 13,121.10 × 3,204.57
  4. Step 4: Simplify right side
    8,748.63x = 42,047,483.43
  5. Step 5: Solve for x
    x = 42,047,483.43/8,748.63
  6. Step 6: Final answer
    x = 4,806.18

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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.