Home / 6,765.90-10,150.62-2,815.91

Finding the Fourth Proportional to 6,765.90, 10,150.62 and 2,815.91

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Solution

The fourth proportional to 6,765.90, 10,150.62 and 2,815.91 is: 4,224.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,765.90 : 10,150.62 = 2,815.91 : x
  2. Step 2: Convert to fraction form
    6,765.90/10,150.62 = 2,815.91/x
  3. Step 3: Cross multiply
    6,765.90x = 10,150.62 × 2,815.91
  4. Step 4: Simplify right side
    6,765.90x = 28,583,266.21
  5. Step 5: Solve for x
    x = 28,583,266.21/6,765.90
  6. Step 6: Final answer
    x = 4,224.60

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1.5x scale

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.