Home / 4,089.61-6,126.39-2,698.71

Finding the Fourth Proportional to 4,089.61, 6,126.39 and 2,698.71

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Solution

The fourth proportional to 4,089.61, 6,126.39 and 2,698.71 is: 4,042.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,089.61 : 6,126.39 = 2,698.71 : x
  2. Step 2: Convert to fraction form
    4,089.61/6,126.39 = 2,698.71/x
  3. Step 3: Cross multiply
    4,089.61x = 6,126.39 × 2,698.71
  4. Step 4: Simplify right side
    4,089.61x = 16,533,326.98
  5. Step 5: Solve for x
    x = 16,533,326.98/4,089.61
  6. Step 6: Final answer
    x = 4,042.76

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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.