Home / 4,254.46-6,381.69-1,335.22

Finding the Fourth Proportional to 4,254.46, 6,381.69 and 1,335.22

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Solution

The fourth proportional to 4,254.46, 6,381.69 and 1,335.22 is: 2,002.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,254.46 : 6,381.69 = 1,335.22 : x
  2. Step 2: Convert to fraction form
    4,254.46/6,381.69 = 1,335.22/x
  3. Step 3: Cross multiply
    4,254.46x = 6,381.69 × 1,335.22
  4. Step 4: Simplify right side
    4,254.46x = 8,520,960.12
  5. Step 5: Solve for x
    x = 8,520,960.12/4,254.46
  6. Step 6: Final answer
    x = 2,002.83

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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.