Home / 4,256.91-6,385.35-1,335.21

Finding the Fourth Proportional to 4,256.91, 6,385.35 and 1,335.21

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Solution

The fourth proportional to 4,256.91, 6,385.35 and 1,335.21 is: 2,002.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,256.91 : 6,385.35 = 1,335.21 : x
  2. Step 2: Convert to fraction form
    4,256.91/6,385.35 = 1,335.21/x
  3. Step 3: Cross multiply
    4,256.91x = 6,385.35 × 1,335.21
  4. Step 4: Simplify right side
    4,256.91x = 8,525,751.25
  5. Step 5: Solve for x
    x = 8,525,751.25/4,256.91
  6. Step 6: Final answer
    x = 2,002.81

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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.