Home / 6,876.96-10,319.15-2,981.67

Finding the Fourth Proportional to 6,876.96, 10,319.15 and 2,981.67

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Solution

The fourth proportional to 6,876.96, 10,319.15 and 2,981.67 is: 4,474.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,876.96 : 10,319.15 = 2,981.67 : x
  2. Step 2: Convert to fraction form
    6,876.96/10,319.15 = 2,981.67/x
  3. Step 3: Cross multiply
    6,876.96x = 10,319.15 × 2,981.67
  4. Step 4: Simplify right side
    6,876.96x = 30,768,299.98
  5. Step 5: Solve for x
    x = 30,768,299.98/6,876.96
  6. Step 6: Final answer
    x = 4,474.11

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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.