Home / 4,188.26-6,280.79-1,376.43

Finding the Fourth Proportional to 4,188.26, 6,280.79 and 1,376.43

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Solution

The fourth proportional to 4,188.26, 6,280.79 and 1,376.43 is: 2,064.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.26 : 6,280.79 = 1,376.43 : x
  2. Step 2: Convert to fraction form
    4,188.26/6,280.79 = 1,376.43/x
  3. Step 3: Cross multiply
    4,188.26x = 6,280.79 × 1,376.43
  4. Step 4: Simplify right side
    4,188.26x = 8,645,060.90
  5. Step 5: Solve for x
    x = 8,645,060.90/4,188.26
  6. Step 6: Final answer
    x = 2,064.12

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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.