Home / 5,442.02-8,161.80-2,665.90

Finding the Fourth Proportional to 5,442.02, 8,161.80 and 2,665.90

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Solution

The fourth proportional to 5,442.02, 8,161.80 and 2,665.90 is: 3,998.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,442.02 : 8,161.80 = 2,665.90 : x
  2. Step 2: Convert to fraction form
    5,442.02/8,161.80 = 2,665.90/x
  3. Step 3: Cross multiply
    5,442.02x = 8,161.80 × 2,665.90
  4. Step 4: Simplify right side
    5,442.02x = 21,758,542.62
  5. Step 5: Solve for x
    x = 21,758,542.62/5,442.02
  6. Step 6: Final answer
    x = 3,998.25

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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.