Home / 6,961.57-10,439.77-2,800.15

Finding the Fourth Proportional to 6,961.57, 10,439.77 and 2,800.15

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Solution

The fourth proportional to 6,961.57, 10,439.77 and 2,800.15 is: 4,199.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,961.57 : 10,439.77 = 2,800.15 : x
  2. Step 2: Convert to fraction form
    6,961.57/10,439.77 = 2,800.15/x
  3. Step 3: Cross multiply
    6,961.57x = 10,439.77 × 2,800.15
  4. Step 4: Simplify right side
    6,961.57x = 29,232,952.84
  5. Step 5: Solve for x
    x = 29,232,952.84/6,961.57
  6. Step 6: Final answer
    x = 4,199.19

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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.