Home / 6,643.37-9,962.75-2,259.78

Finding the Fourth Proportional to 6,643.37, 9,962.75 and 2,259.78

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Solution

The fourth proportional to 6,643.37, 9,962.75 and 2,259.78 is: 3,388.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643.37 : 9,962.75 = 2,259.78 : x
  2. Step 2: Convert to fraction form
    6,643.37/9,962.75 = 2,259.78/x
  3. Step 3: Cross multiply
    6,643.37x = 9,962.75 × 2,259.78
  4. Step 4: Simplify right side
    6,643.37x = 22,513,611.90
  5. Step 5: Solve for x
    x = 22,513,611.90/6,643.37
  6. Step 6: Final answer
    x = 3,388.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.