Home / 4,219.11-6,329.39-1,586.52

Finding the Fourth Proportional to 4,219.11, 6,329.39 and 1,586.52

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Solution

The fourth proportional to 4,219.11, 6,329.39 and 1,586.52 is: 2,380.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.11 : 6,329.39 = 1,586.52 : x
  2. Step 2: Convert to fraction form
    4,219.11/6,329.39 = 1,586.52/x
  3. Step 3: Cross multiply
    4,219.11x = 6,329.39 × 1,586.52
  4. Step 4: Simplify right side
    4,219.11x = 10,041,695.89
  5. Step 5: Solve for x
    x = 10,041,695.89/4,219.11
  6. Step 6: Final answer
    x = 2,380.05

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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.