Home / 8,721.12-13,082.58-2,795.93

Finding the Fourth Proportional to 8,721.12, 13,082.58 and 2,795.93

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Solution

The fourth proportional to 8,721.12, 13,082.58 and 2,795.93 is: 4,194.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,721.12 : 13,082.58 = 2,795.93 : x
  2. Step 2: Convert to fraction form
    8,721.12/13,082.58 = 2,795.93/x
  3. Step 3: Cross multiply
    8,721.12x = 13,082.58 × 2,795.93
  4. Step 4: Simplify right side
    8,721.12x = 36,577,977.90
  5. Step 5: Solve for x
    x = 36,577,977.90/8,721.12
  6. Step 6: Final answer
    x = 4,194.18

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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.