Home / 8,768.96-13,153.92-2,195.18

Finding the Fourth Proportional to 8,768.96, 13,153.92 and 2,195.18

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Solution

The fourth proportional to 8,768.96, 13,153.92 and 2,195.18 is: 3,292.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768.96 : 13,153.92 = 2,195.18 : x
  2. Step 2: Convert to fraction form
    8,768.96/13,153.92 = 2,195.18/x
  3. Step 3: Cross multiply
    8,768.96x = 13,153.92 × 2,195.18
  4. Step 4: Simplify right side
    8,768.96x = 28,875,222.11
  5. Step 5: Solve for x
    x = 28,875,222.11/8,768.96
  6. Step 6: Final answer
    x = 3,292.89

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1.5x scale

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.