Home / 6,815.80-10,230.10-3,531.16

Finding the Fourth Proportional to 6,815.80, 10,230.10 and 3,531.16

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Solution

The fourth proportional to 6,815.80, 10,230.10 and 3,531.16 is: 5,300.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,815.80 : 10,230.10 = 3,531.16 : x
  2. Step 2: Convert to fraction form
    6,815.80/10,230.10 = 3,531.16/x
  3. Step 3: Cross multiply
    6,815.80x = 10,230.10 × 3,531.16
  4. Step 4: Simplify right side
    6,815.80x = 36,124,119.92
  5. Step 5: Solve for x
    x = 36,124,119.92/6,815.80
  6. Step 6: Final answer
    x = 5,300.06

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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.