Home / 4,178.15-6,254.92-3,087.39

Finding the Fourth Proportional to 4,178.15, 6,254.92 and 3,087.39

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Solution

The fourth proportional to 4,178.15, 6,254.92 and 3,087.39 is: 4,621.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.15 : 6,254.92 = 3,087.39 : x
  2. Step 2: Convert to fraction form
    4,178.15/6,254.92 = 3,087.39/x
  3. Step 3: Cross multiply
    4,178.15x = 6,254.92 × 3,087.39
  4. Step 4: Simplify right side
    4,178.15x = 19,311,362.02
  5. Step 5: Solve for x
    x = 19,311,362.02/4,178.15
  6. Step 6: Final answer
    x = 4,621.99

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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.