Home / 6,399.13-9,604.65-3,281.37

Finding the Fourth Proportional to 6,399.13, 9,604.65 and 3,281.37

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Solution

The fourth proportional to 6,399.13, 9,604.65 and 3,281.37 is: 4,925.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,399.13 : 9,604.65 = 3,281.37 : x
  2. Step 2: Convert to fraction form
    6,399.13/9,604.65 = 3,281.37/x
  3. Step 3: Cross multiply
    6,399.13x = 9,604.65 × 3,281.37
  4. Step 4: Simplify right side
    6,399.13x = 31,516,410.37
  5. Step 5: Solve for x
    x = 31,516,410.37/6,399.13
  6. Step 6: Final answer
    x = 4,925.11

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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.