Home / 4,201.15-6,302.05-1,081.19

Finding the Fourth Proportional to 4,201.15, 6,302.05 and 1,081.19

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Solution

The fourth proportional to 4,201.15, 6,302.05 and 1,081.19 is: 1,621.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,201.15 : 6,302.05 = 1,081.19 : x
  2. Step 2: Convert to fraction form
    4,201.15/6,302.05 = 1,081.19/x
  3. Step 3: Cross multiply
    4,201.15x = 6,302.05 × 1,081.19
  4. Step 4: Simplify right side
    4,201.15x = 6,813,713.19
  5. Step 5: Solve for x
    x = 6,813,713.19/4,201.15
  6. Step 6: Final answer
    x = 1,621.87

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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.