Home / 6,627.12-9,145.24-3,642.96

Finding the Fourth Proportional to 6,627.12, 9,145.24 and 3,642.96

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Solution

The fourth proportional to 6,627.12, 9,145.24 and 3,642.96 is: 5,027.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627.12 : 9,145.24 = 3,642.96 : x
  2. Step 2: Convert to fraction form
    6,627.12/9,145.24 = 3,642.96/x
  3. Step 3: Cross multiply
    6,627.12x = 9,145.24 × 3,642.96
  4. Step 4: Simplify right side
    6,627.12x = 33,315,743.51
  5. Step 5: Solve for x
    x = 33,315,743.51/6,627.12
  6. Step 6: Final answer
    x = 5,027.18

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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.