Home / 6,279.50-9,416.80-3,356.20

Finding the Fourth Proportional to 6,279.50, 9,416.80 and 3,356.20

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Solution

The fourth proportional to 6,279.50, 9,416.80 and 3,356.20 is: 5,032.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279.50 : 9,416.80 = 3,356.20 : x
  2. Step 2: Convert to fraction form
    6,279.50/9,416.80 = 3,356.20/x
  3. Step 3: Cross multiply
    6,279.50x = 9,416.80 × 3,356.20
  4. Step 4: Simplify right side
    6,279.50x = 31,604,664.16
  5. Step 5: Solve for x
    x = 31,604,664.16/6,279.50
  6. Step 6: Final answer
    x = 5,032.99

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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.