Home / 7,305.15-10,962.57-2,688.15

Finding the Fourth Proportional to 7,305.15, 10,962.57 and 2,688.15

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Solution

The fourth proportional to 7,305.15, 10,962.57 and 2,688.15 is: 4,034.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,305.15 : 10,962.57 = 2,688.15 : x
  2. Step 2: Convert to fraction form
    7,305.15/10,962.57 = 2,688.15/x
  3. Step 3: Cross multiply
    7,305.15x = 10,962.57 × 2,688.15
  4. Step 4: Simplify right side
    7,305.15x = 29,469,032.55
  5. Step 5: Solve for x
    x = 29,469,032.55/7,305.15
  6. Step 6: Final answer
    x = 4,034.01

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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.