Home / 6,724.19-9,279.41-3,740.06

Finding the Fourth Proportional to 6,724.19, 9,279.41 and 3,740.06

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Solution

The fourth proportional to 6,724.19, 9,279.41 and 3,740.06 is: 5,161.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,724.19 : 9,279.41 = 3,740.06 : x
  2. Step 2: Convert to fraction form
    6,724.19/9,279.41 = 3,740.06/x
  3. Step 3: Cross multiply
    6,724.19x = 9,279.41 × 3,740.06
  4. Step 4: Simplify right side
    6,724.19x = 34,705,554.66
  5. Step 5: Solve for x
    x = 34,705,554.66/6,724.19
  6. Step 6: Final answer
    x = 5,161.30

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1.5x scale

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.