Home / 6,438.66-8,885.25-3,606.01

Finding the Fourth Proportional to 6,438.66, 8,885.25 and 3,606.01

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Solution

The fourth proportional to 6,438.66, 8,885.25 and 3,606.01 is: 4,976.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438.66 : 8,885.25 = 3,606.01 : x
  2. Step 2: Convert to fraction form
    6,438.66/8,885.25 = 3,606.01/x
  3. Step 3: Cross multiply
    6,438.66x = 8,885.25 × 3,606.01
  4. Step 4: Simplify right side
    6,438.66x = 32,040,319.92
  5. Step 5: Solve for x
    x = 32,040,319.92/6,438.66
  6. Step 6: Final answer
    x = 4,976.24

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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.