Home / 6,627.03-9,145.31-3,642.87

Finding the Fourth Proportional to 6,627.03, 9,145.31 and 3,642.87

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Solution

The fourth proportional to 6,627.03, 9,145.31 and 3,642.87 is: 5,027.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627.03 : 9,145.31 = 3,642.87 : x
  2. Step 2: Convert to fraction form
    6,627.03/9,145.31 = 3,642.87/x
  3. Step 3: Cross multiply
    6,627.03x = 9,145.31 × 3,642.87
  4. Step 4: Simplify right side
    6,627.03x = 33,315,157.23
  5. Step 5: Solve for x
    x = 33,315,157.23/6,627.03
  6. Step 6: Final answer
    x = 5,027.16

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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.