Home / 6,627.20-9,145.74-3,643.34

Finding the Fourth Proportional to 6,627.20, 9,145.74 and 3,643.34

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Solution

The fourth proportional to 6,627.20, 9,145.74 and 3,643.34 is: 5,027.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627.20 : 9,145.74 = 3,643.34 : x
  2. Step 2: Convert to fraction form
    6,627.20/9,145.74 = 3,643.34/x
  3. Step 3: Cross multiply
    6,627.20x = 9,145.74 × 3,643.34
  4. Step 4: Simplify right side
    6,627.20x = 33,321,040.37
  5. Step 5: Solve for x
    x = 33,321,040.37/6,627.20
  6. Step 6: Final answer
    x = 5,027.92

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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.