Home / 6,187.80-8,539.56-4,088.28

Finding the Fourth Proportional to 6,187.80, 8,539.56 and 4,088.28

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Solution

The fourth proportional to 6,187.80, 8,539.56 and 4,088.28 is: 5,642.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,187.80 : 8,539.56 = 4,088.28 : x
  2. Step 2: Convert to fraction form
    6,187.80/8,539.56 = 4,088.28/x
  3. Step 3: Cross multiply
    6,187.80x = 8,539.56 × 4,088.28
  4. Step 4: Simplify right side
    6,187.80x = 34,912,112.36
  5. Step 5: Solve for x
    x = 34,912,112.36/6,187.80
  6. Step 6: Final answer
    x = 5,642.09

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.