Home / 6,461.37-9,691.85-2,715.14

Finding the Fourth Proportional to 6,461.37, 9,691.85 and 2,715.14

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Solution

The fourth proportional to 6,461.37, 9,691.85 and 2,715.14 is: 4,072.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,461.37 : 9,691.85 = 2,715.14 : x
  2. Step 2: Convert to fraction form
    6,461.37/9,691.85 = 2,715.14/x
  3. Step 3: Cross multiply
    6,461.37x = 9,691.85 × 2,715.14
  4. Step 4: Simplify right side
    6,461.37x = 26,314,706.11
  5. Step 5: Solve for x
    x = 26,314,706.11/6,461.37
  6. Step 6: Final answer
    x = 4,072.62

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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.