Home / 6,643.74-9,168.36-3,659.57

Finding the Fourth Proportional to 6,643.74, 9,168.36 and 3,659.57

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Solution

The fourth proportional to 6,643.74, 9,168.36 and 3,659.57 is: 5,050.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643.74 : 9,168.36 = 3,659.57 : x
  2. Step 2: Convert to fraction form
    6,643.74/9,168.36 = 3,659.57/x
  3. Step 3: Cross multiply
    6,643.74x = 9,168.36 × 3,659.57
  4. Step 4: Simplify right side
    6,643.74x = 33,552,209.36
  5. Step 5: Solve for x
    x = 33,552,209.36/6,643.74
  6. Step 6: Final answer
    x = 5,050.20

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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.