Home / 4,218.96-6,329.34-1,621.92

Finding the Fourth Proportional to 4,218.96, 6,329.34 and 1,621.92

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Solution

The fourth proportional to 4,218.96, 6,329.34 and 1,621.92 is: 2,433.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.96 : 6,329.34 = 1,621.92 : x
  2. Step 2: Convert to fraction form
    4,218.96/6,329.34 = 1,621.92/x
  3. Step 3: Cross multiply
    4,218.96x = 6,329.34 × 1,621.92
  4. Step 4: Simplify right side
    4,218.96x = 10,265,683.13
  5. Step 5: Solve for x
    x = 10,265,683.13/4,218.96
  6. Step 6: Final answer
    x = 2,433.23

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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.