Home / 6,972.86-10,459.16-2,812.76

Finding the Fourth Proportional to 6,972.86, 10,459.16 and 2,812.76

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Solution

The fourth proportional to 6,972.86, 10,459.16 and 2,812.76 is: 4,219.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,972.86 : 10,459.16 = 2,812.76 : x
  2. Step 2: Convert to fraction form
    6,972.86/10,459.16 = 2,812.76/x
  3. Step 3: Cross multiply
    6,972.86x = 10,459.16 × 2,812.76
  4. Step 4: Simplify right side
    6,972.86x = 29,419,106.88
  5. Step 5: Solve for x
    x = 29,419,106.88/6,972.86
  6. Step 6: Final answer
    x = 4,219.09

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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.