Home / 6,772.20-10,154.57-2,090.91

Finding the Fourth Proportional to 6,772.20, 10,154.57 and 2,090.91

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Solution

The fourth proportional to 6,772.20, 10,154.57 and 2,090.91 is: 3,135.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,772.20 : 10,154.57 = 2,090.91 : x
  2. Step 2: Convert to fraction form
    6,772.20/10,154.57 = 2,090.91/x
  3. Step 3: Cross multiply
    6,772.20x = 10,154.57 × 2,090.91
  4. Step 4: Simplify right side
    6,772.20x = 21,232,291.96
  5. Step 5: Solve for x
    x = 21,232,291.96/6,772.20
  6. Step 6: Final answer
    x = 3,135.21

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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.