Home / 5,406.99-7,462.38-3,169.76

Finding the Fourth Proportional to 5,406.99, 7,462.38 and 3,169.76

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Solution

The fourth proportional to 5,406.99, 7,462.38 and 3,169.76 is: 4,374.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406.99 : 7,462.38 = 3,169.76 : x
  2. Step 2: Convert to fraction form
    5,406.99/7,462.38 = 3,169.76/x
  3. Step 3: Cross multiply
    5,406.99x = 7,462.38 × 3,169.76
  4. Step 4: Simplify right side
    5,406.99x = 23,653,944.30
  5. Step 5: Solve for x
    x = 23,653,944.30/5,406.99
  6. Step 6: Final answer
    x = 4,374.70

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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.