Home / 5,634.70-7,775.87-3,396.15

Finding the Fourth Proportional to 5,634.70, 7,775.87 and 3,396.15

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Solution

The fourth proportional to 5,634.70, 7,775.87 and 3,396.15 is: 4,686.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,634.70 : 7,775.87 = 3,396.15 : x
  2. Step 2: Convert to fraction form
    5,634.70/7,775.87 = 3,396.15/x
  3. Step 3: Cross multiply
    5,634.70x = 7,775.87 × 3,396.15
  4. Step 4: Simplify right side
    5,634.70x = 26,408,003.92
  5. Step 5: Solve for x
    x = 26,408,003.92/5,634.70
  6. Step 6: Final answer
    x = 4,686.68

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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.