Home / 5,498.94-7,578.36-3,905.66

Finding the Fourth Proportional to 5,498.94, 7,578.36 and 3,905.66

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Solution

The fourth proportional to 5,498.94, 7,578.36 and 3,905.66 is: 5,382.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,498.94 : 7,578.36 = 3,905.66 : x
  2. Step 2: Convert to fraction form
    5,498.94/7,578.36 = 3,905.66/x
  3. Step 3: Cross multiply
    5,498.94x = 7,578.36 × 3,905.66
  4. Step 4: Simplify right side
    5,498.94x = 29,598,440.10
  5. Step 5: Solve for x
    x = 29,598,440.10/5,498.94
  6. Step 6: Final answer
    x = 5,382.58

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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.