Home / 6,619.53-9,137.82-4,377.45

Finding the Fourth Proportional to 6,619.53, 9,137.82 and 4,377.45

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Solution

The fourth proportional to 6,619.53, 9,137.82 and 4,377.45 is: 6,042.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619.53 : 9,137.82 = 4,377.45 : x
  2. Step 2: Convert to fraction form
    6,619.53/9,137.82 = 4,377.45/x
  3. Step 3: Cross multiply
    6,619.53x = 9,137.82 × 4,377.45
  4. Step 4: Simplify right side
    6,619.53x = 40,000,350.16
  5. Step 5: Solve for x
    x = 40,000,350.16/6,619.53
  6. Step 6: Final answer
    x = 6,042.78

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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.