Home / 4,219.18-6,330.42-1,621.54

Finding the Fourth Proportional to 4,219.18, 6,330.42 and 1,621.54

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Solution

The fourth proportional to 4,219.18, 6,330.42 and 1,621.54 is: 2,432.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.18 : 6,330.42 = 1,621.54 : x
  2. Step 2: Convert to fraction form
    4,219.18/6,330.42 = 1,621.54/x
  3. Step 3: Cross multiply
    4,219.18x = 6,330.42 × 1,621.54
  4. Step 4: Simplify right side
    4,219.18x = 10,265,029.25
  5. Step 5: Solve for x
    x = 10,265,029.25/4,219.18
  6. Step 6: Final answer
    x = 2,432.94

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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.