Home / 6,941.12-10,410.86-2,780.96

Finding the Fourth Proportional to 6,941.12, 10,410.86 and 2,780.96

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Solution

The fourth proportional to 6,941.12, 10,410.86 and 2,780.96 is: 4,171.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,941.12 : 10,410.86 = 2,780.96 : x
  2. Step 2: Convert to fraction form
    6,941.12/10,410.86 = 2,780.96/x
  3. Step 3: Cross multiply
    6,941.12x = 10,410.86 × 2,780.96
  4. Step 4: Simplify right side
    6,941.12x = 28,952,140.12
  5. Step 5: Solve for x
    x = 28,952,140.12/6,941.12
  6. Step 6: Final answer
    x = 4,171.11

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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.