Home / 6,680.83-10,018.35-3,171.85

Finding the Fourth Proportional to 6,680.83, 10,018.35 and 3,171.85

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Solution

The fourth proportional to 6,680.83, 10,018.35 and 3,171.85 is: 4,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,680.83 : 10,018.35 = 3,171.85 : x
  2. Step 2: Convert to fraction form
    6,680.83/10,018.35 = 3,171.85/x
  3. Step 3: Cross multiply
    6,680.83x = 10,018.35 × 3,171.85
  4. Step 4: Simplify right side
    6,680.83x = 31,776,703.45
  5. Step 5: Solve for x
    x = 31,776,703.45/6,680.83
  6. Step 6: Final answer
    x = 4,756.40

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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.