Home / 6,239.90-9,356.76-3,317.42

Finding the Fourth Proportional to 6,239.90, 9,356.76 and 3,317.42

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Solution

The fourth proportional to 6,239.90, 9,356.76 and 3,317.42 is: 4,974.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.90 : 9,356.76 = 3,317.42 : x
  2. Step 2: Convert to fraction form
    6,239.90/9,356.76 = 3,317.42/x
  3. Step 3: Cross multiply
    6,239.90x = 9,356.76 × 3,317.42
  4. Step 4: Simplify right side
    6,239.90x = 31,040,302.76
  5. Step 5: Solve for x
    x = 31,040,302.76/6,239.90
  6. Step 6: Final answer
    x = 4,974.49

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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.