Home / 6,892.18-9,511.15-3,748.36

Finding the Fourth Proportional to 6,892.18, 9,511.15 and 3,748.36

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Solution

The fourth proportional to 6,892.18, 9,511.15 and 3,748.36 is: 5,172.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,892.18 : 9,511.15 = 3,748.36 : x
  2. Step 2: Convert to fraction form
    6,892.18/9,511.15 = 3,748.36/x
  3. Step 3: Cross multiply
    6,892.18x = 9,511.15 × 3,748.36
  4. Step 4: Simplify right side
    6,892.18x = 35,651,214.21
  5. Step 5: Solve for x
    x = 35,651,214.21/6,892.18
  6. Step 6: Final answer
    x = 5,172.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.