Home / 6,279.12-9,415.80-2,381.04

Finding the Fourth Proportional to 6,279.12, 9,415.80 and 2,381.04

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Solution

The fourth proportional to 6,279.12, 9,415.80 and 2,381.04 is: 3,570.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279.12 : 9,415.80 = 2,381.04 : x
  2. Step 2: Convert to fraction form
    6,279.12/9,415.80 = 2,381.04/x
  3. Step 3: Cross multiply
    6,279.12x = 9,415.80 × 2,381.04
  4. Step 4: Simplify right side
    6,279.12x = 22,419,396.43
  5. Step 5: Solve for x
    x = 22,419,396.43/6,279.12
  6. Step 6: Final answer
    x = 3,570.47

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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.