Home / 4,133.78-6,165.32-3,987.98

Finding the Fourth Proportional to 4,133.78, 6,165.32 and 3,987.98

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Solution

The fourth proportional to 4,133.78, 6,165.32 and 3,987.98 is: 5,947.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,133.78 : 6,165.32 = 3,987.98 : x
  2. Step 2: Convert to fraction form
    4,133.78/6,165.32 = 3,987.98/x
  3. Step 3: Cross multiply
    4,133.78x = 6,165.32 × 3,987.98
  4. Step 4: Simplify right side
    4,133.78x = 24,587,172.85
  5. Step 5: Solve for x
    x = 24,587,172.85/4,133.78
  6. Step 6: Final answer
    x = 5,947.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.