Home / 6,343.14-9,511.29-2,878.50

Finding the Fourth Proportional to 6,343.14, 9,511.29 and 2,878.50

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Solution

The fourth proportional to 6,343.14, 9,511.29 and 2,878.50 is: 4,316.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,343.14 : 9,511.29 = 2,878.50 : x
  2. Step 2: Convert to fraction form
    6,343.14/9,511.29 = 2,878.50/x
  3. Step 3: Cross multiply
    6,343.14x = 9,511.29 × 2,878.50
  4. Step 4: Simplify right side
    6,343.14x = 27,378,248.27
  5. Step 5: Solve for x
    x = 27,378,248.27/6,343.14
  6. Step 6: Final answer
    x = 4,316.20

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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.