Home / 5,118.36-7,671.06-2,486.48

Finding the Fourth Proportional to 5,118.36, 7,671.06 and 2,486.48

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Solution

The fourth proportional to 5,118.36, 7,671.06 and 2,486.48 is: 3,726.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,118.36 : 7,671.06 = 2,486.48 : x
  2. Step 2: Convert to fraction form
    5,118.36/7,671.06 = 2,486.48/x
  3. Step 3: Cross multiply
    5,118.36x = 7,671.06 × 2,486.48
  4. Step 4: Simplify right side
    5,118.36x = 19,073,937.27
  5. Step 5: Solve for x
    x = 19,073,937.27/5,118.36
  6. Step 6: Final answer
    x = 3,726.57

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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.