Home / 4,089.56-6,137.45-2,996.78

Finding the Fourth Proportional to 4,089.56, 6,137.45 and 2,996.78

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Solution

The fourth proportional to 4,089.56, 6,137.45 and 2,996.78 is: 4,497.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,089.56 : 6,137.45 = 2,996.78 : x
  2. Step 2: Convert to fraction form
    4,089.56/6,137.45 = 2,996.78/x
  3. Step 3: Cross multiply
    4,089.56x = 6,137.45 × 2,996.78
  4. Step 4: Simplify right side
    4,089.56x = 18,392,587.77
  5. Step 5: Solve for x
    x = 18,392,587.77/4,089.56
  6. Step 6: Final answer
    x = 4,497.45

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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.