Home / 6,894.40-10,341.60-2,511.90

Finding the Fourth Proportional to 6,894.40, 10,341.60 and 2,511.90

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Solution

The fourth proportional to 6,894.40, 10,341.60 and 2,511.90 is: 3,767.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,894.40 : 10,341.60 = 2,511.90 : x
  2. Step 2: Convert to fraction form
    6,894.40/10,341.60 = 2,511.90/x
  3. Step 3: Cross multiply
    6,894.40x = 10,341.60 × 2,511.90
  4. Step 4: Simplify right side
    6,894.40x = 25,977,065.04
  5. Step 5: Solve for x
    x = 25,977,065.04/6,894.40
  6. Step 6: Final answer
    x = 3,767.85

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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.