Home / 6,817.95-10,205.85-5,821.65

Finding the Fourth Proportional to 6,817.95, 10,205.85 and 5,821.65

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Solution

The fourth proportional to 6,817.95, 10,205.85 and 5,821.65 is: 8,714.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,817.95 : 10,205.85 = 5,821.65 : x
  2. Step 2: Convert to fraction form
    6,817.95/10,205.85 = 5,821.65/x
  3. Step 3: Cross multiply
    6,817.95x = 10,205.85 × 5,821.65
  4. Step 4: Simplify right side
    6,817.95x = 59,414,886.65
  5. Step 5: Solve for x
    x = 59,414,886.65/6,817.95
  6. Step 6: Final answer
    x = 8,714.48

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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.