Home / 6,187.89-8,539.27-3,671.22

Finding the Fourth Proportional to 6,187.89, 8,539.27 and 3,671.22

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Solution

The fourth proportional to 6,187.89, 8,539.27 and 3,671.22 is: 5,066.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,187.89 : 8,539.27 = 3,671.22 : x
  2. Step 2: Convert to fraction form
    6,187.89/8,539.27 = 3,671.22/x
  3. Step 3: Cross multiply
    6,187.89x = 8,539.27 × 3,671.22
  4. Step 4: Simplify right side
    6,187.89x = 31,349,538.81
  5. Step 5: Solve for x
    x = 31,349,538.81/6,187.89
  6. Step 6: Final answer
    x = 5,066.27

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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.