Home / 5,878.11-8,110.77-3,887.59

Finding the Fourth Proportional to 5,878.11, 8,110.77 and 3,887.59

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Solution

The fourth proportional to 5,878.11, 8,110.77 and 3,887.59 is: 5,364.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.11 : 8,110.77 = 3,887.59 : x
  2. Step 2: Convert to fraction form
    5,878.11/8,110.77 = 3,887.59/x
  3. Step 3: Cross multiply
    5,878.11x = 8,110.77 × 3,887.59
  4. Step 4: Simplify right side
    5,878.11x = 31,531,348.34
  5. Step 5: Solve for x
    x = 31,531,348.34/5,878.11
  6. Step 6: Final answer
    x = 5,364.20

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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.