Home / 4,342.74-6,515.94-1,381.44

Finding the Fourth Proportional to 4,342.74, 6,515.94 and 1,381.44

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Solution

The fourth proportional to 4,342.74, 6,515.94 and 1,381.44 is: 2,072.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,342.74 : 6,515.94 = 1,381.44 : x
  2. Step 2: Convert to fraction form
    4,342.74/6,515.94 = 1,381.44/x
  3. Step 3: Cross multiply
    4,342.74x = 6,515.94 × 1,381.44
  4. Step 4: Simplify right side
    4,342.74x = 9,001,380.15
  5. Step 5: Solve for x
    x = 9,001,380.15/4,342.74
  6. Step 6: Final answer
    x = 2,072.74

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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.