Home / 4,261.09-6,393.22-1,920.39

Finding the Fourth Proportional to 4,261.09, 6,393.22 and 1,920.39

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Solution

The fourth proportional to 4,261.09, 6,393.22 and 1,920.39 is: 2,881.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,261.09 : 6,393.22 = 1,920.39 : x
  2. Step 2: Convert to fraction form
    4,261.09/6,393.22 = 1,920.39/x
  3. Step 3: Cross multiply
    4,261.09x = 6,393.22 × 1,920.39
  4. Step 4: Simplify right side
    4,261.09x = 12,277,470.95
  5. Step 5: Solve for x
    x = 12,277,470.95/4,261.09
  6. Step 6: Final answer
    x = 2,881.30

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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.