Home / 4,279.69-6,415.17-2,426.90

Finding the Fourth Proportional to 4,279.69, 6,415.17 and 2,426.90

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Solution

The fourth proportional to 4,279.69, 6,415.17 and 2,426.90 is: 3,637.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.69 : 6,415.17 = 2,426.90 : x
  2. Step 2: Convert to fraction form
    4,279.69/6,415.17 = 2,426.90/x
  3. Step 3: Cross multiply
    4,279.69x = 6,415.17 × 2,426.90
  4. Step 4: Simplify right side
    4,279.69x = 15,568,976.07
  5. Step 5: Solve for x
    x = 15,568,976.07/4,279.69
  6. Step 6: Final answer
    x = 3,637.87

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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.