Home / 6,511.08-9,768.34-2,815.90

Finding the Fourth Proportional to 6,511.08, 9,768.34 and 2,815.90

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Solution

The fourth proportional to 6,511.08, 9,768.34 and 2,815.90 is: 4,224.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,511.08 : 9,768.34 = 2,815.90 : x
  2. Step 2: Convert to fraction form
    6,511.08/9,768.34 = 2,815.90/x
  3. Step 3: Cross multiply
    6,511.08x = 9,768.34 × 2,815.90
  4. Step 4: Simplify right side
    6,511.08x = 27,506,668.61
  5. Step 5: Solve for x
    x = 27,506,668.61/6,511.08
  6. Step 6: Final answer
    x = 4,224.59

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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.