Home / 6,239.30-9,379.89-4,403.57

Finding the Fourth Proportional to 6,239.30, 9,379.89 and 4,403.57

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Solution

The fourth proportional to 6,239.30, 9,379.89 and 4,403.57 is: 6,620.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.30 : 9,379.89 = 4,403.57 : x
  2. Step 2: Convert to fraction form
    6,239.30/9,379.89 = 4,403.57/x
  3. Step 3: Cross multiply
    6,239.30x = 9,379.89 × 4,403.57
  4. Step 4: Simplify right side
    6,239.30x = 41,304,955.31
  5. Step 5: Solve for x
    x = 41,304,955.31/6,239.30
  6. Step 6: Final answer
    x = 6,620.13

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1.5x scale

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.