Home / 5,577.12-7,697.09-3,187.52

Finding the Fourth Proportional to 5,577.12, 7,697.09 and 3,187.52

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Solution

The fourth proportional to 5,577.12, 7,697.09 and 3,187.52 is: 4,399.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.12 : 7,697.09 = 3,187.52 : x
  2. Step 2: Convert to fraction form
    5,577.12/7,697.09 = 3,187.52/x
  3. Step 3: Cross multiply
    5,577.12x = 7,697.09 × 3,187.52
  4. Step 4: Simplify right side
    5,577.12x = 24,534,628.32
  5. Step 5: Solve for x
    x = 24,534,628.32/5,577.12
  6. Step 6: Final answer
    x = 4,399.16

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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.