Home / 5,693.40-7,856.94-3,175.80

Finding the Fourth Proportional to 5,693.40, 7,856.94 and 3,175.80

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Solution

The fourth proportional to 5,693.40, 7,856.94 and 3,175.80 is: 4,382.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,693.40 : 7,856.94 = 3,175.80 : x
  2. Step 2: Convert to fraction form
    5,693.40/7,856.94 = 3,175.80/x
  3. Step 3: Cross multiply
    5,693.40x = 7,856.94 × 3,175.80
  4. Step 4: Simplify right side
    5,693.40x = 24,952,070.05
  5. Step 5: Solve for x
    x = 24,952,070.05/5,693.40
  6. Step 6: Final answer
    x = 4,382.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.