Home / 5,384.58-8,077.68-2,572.26

Finding the Fourth Proportional to 5,384.58, 8,077.68 and 2,572.26

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Solution

The fourth proportional to 5,384.58, 8,077.68 and 2,572.26 is: 3,858.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384.58 : 8,077.68 = 2,572.26 : x
  2. Step 2: Convert to fraction form
    5,384.58/8,077.68 = 2,572.26/x
  3. Step 3: Cross multiply
    5,384.58x = 8,077.68 × 2,572.26
  4. Step 4: Simplify right side
    5,384.58x = 20,777,893.16
  5. Step 5: Solve for x
    x = 20,777,893.16/5,384.58
  6. Step 6: Final answer
    x = 3,858.78

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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.