Home / 5,777.13-7,972.55-3,388.52

Finding the Fourth Proportional to 5,777.13, 7,972.55 and 3,388.52

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Solution

The fourth proportional to 5,777.13, 7,972.55 and 3,388.52 is: 4,676.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,777.13 : 7,972.55 = 3,388.52 : x
  2. Step 2: Convert to fraction form
    5,777.13/7,972.55 = 3,388.52/x
  3. Step 3: Cross multiply
    5,777.13x = 7,972.55 × 3,388.52
  4. Step 4: Simplify right side
    5,777.13x = 27,015,145.13
  5. Step 5: Solve for x
    x = 27,015,145.13/5,777.13
  6. Step 6: Final answer
    x = 4,676.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.