Home / 5,606.19-7,736.38-3,216.56

Finding the Fourth Proportional to 5,606.19, 7,736.38 and 3,216.56

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Solution

The fourth proportional to 5,606.19, 7,736.38 and 3,216.56 is: 4,438.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,606.19 : 7,736.38 = 3,216.56 : x
  2. Step 2: Convert to fraction form
    5,606.19/7,736.38 = 3,216.56/x
  3. Step 3: Cross multiply
    5,606.19x = 7,736.38 × 3,216.56
  4. Step 4: Simplify right side
    5,606.19x = 24,884,530.45
  5. Step 5: Solve for x
    x = 24,884,530.45/5,606.19
  6. Step 6: Final answer
    x = 4,438.76

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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.