Home / 5,878.81-8,110.97-3,360.79

Finding the Fourth Proportional to 5,878.81, 8,110.97 and 3,360.79

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Solution

The fourth proportional to 5,878.81, 8,110.97 and 3,360.79 is: 4,636.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.81 : 8,110.97 = 3,360.79 : x
  2. Step 2: Convert to fraction form
    5,878.81/8,110.97 = 3,360.79/x
  3. Step 3: Cross multiply
    5,878.81x = 8,110.97 × 3,360.79
  4. Step 4: Simplify right side
    5,878.81x = 27,259,272.80
  5. Step 5: Solve for x
    x = 27,259,272.80/5,878.81
  6. Step 6: Final answer
    x = 4,636.87

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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.