Home / 6,981.14-10,463.50-2,815.58

Finding the Fourth Proportional to 6,981.14, 10,463.50 and 2,815.58

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Solution

The fourth proportional to 6,981.14, 10,463.50 and 2,815.58 is: 4,220.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,981.14 : 10,463.50 = 2,815.58 : x
  2. Step 2: Convert to fraction form
    6,981.14/10,463.50 = 2,815.58/x
  3. Step 3: Cross multiply
    6,981.14x = 10,463.50 × 2,815.58
  4. Step 4: Simplify right side
    6,981.14x = 29,460,821.33
  5. Step 5: Solve for x
    x = 29,460,821.33/6,981.14
  6. Step 6: Final answer
    x = 4,220.06

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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.