Home / 4,203.07-6,305.51-1,281.30

Finding the Fourth Proportional to 4,203.07, 6,305.51 and 1,281.30

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Solution

The fourth proportional to 4,203.07, 6,305.51 and 1,281.30 is: 1,922.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,203.07 : 6,305.51 = 1,281.30 : x
  2. Step 2: Convert to fraction form
    4,203.07/6,305.51 = 1,281.30/x
  3. Step 3: Cross multiply
    4,203.07x = 6,305.51 × 1,281.30
  4. Step 4: Simplify right side
    4,203.07x = 8,079,249.96
  5. Step 5: Solve for x
    x = 8,079,249.96/4,203.07
  6. Step 6: Final answer
    x = 1,922.23

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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.