Home / 5,442.70-8,160.81-2,630.20

Finding the Fourth Proportional to 5,442.70, 8,160.81 and 2,630.20

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Solution

The fourth proportional to 5,442.70, 8,160.81 and 2,630.20 is: 3,943.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,442.70 : 8,160.81 = 2,630.20 : x
  2. Step 2: Convert to fraction form
    5,442.70/8,160.81 = 2,630.20/x
  3. Step 3: Cross multiply
    5,442.70x = 8,160.81 × 2,630.20
  4. Step 4: Simplify right side
    5,442.70x = 21,464,562.46
  5. Step 5: Solve for x
    x = 21,464,562.46/5,442.70
  6. Step 6: Final answer
    x = 3,943.73

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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.