Home / 6,627.38-9,145.74-3,643.14

Finding the Fourth Proportional to 6,627.38, 9,145.74 and 3,643.14

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Solution

The fourth proportional to 6,627.38, 9,145.74 and 3,643.14 is: 5,027.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627.38 : 9,145.74 = 3,643.14 : x
  2. Step 2: Convert to fraction form
    6,627.38/9,145.74 = 3,643.14/x
  3. Step 3: Cross multiply
    6,627.38x = 9,145.74 × 3,643.14
  4. Step 4: Simplify right side
    6,627.38x = 33,319,211.22
  5. Step 5: Solve for x
    x = 33,319,211.22/6,627.38
  6. Step 6: Final answer
    x = 5,027.51

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1.5x scale

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.