Home / 4,431.42-6,643.44-1,965.48

Finding the Fourth Proportional to 4,431.42, 6,643.44 and 1,965.48

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Solution

The fourth proportional to 4,431.42, 6,643.44 and 1,965.48 is: 2,946.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431.42 : 6,643.44 = 1,965.48 : x
  2. Step 2: Convert to fraction form
    4,431.42/6,643.44 = 1,965.48/x
  3. Step 3: Cross multiply
    4,431.42x = 6,643.44 × 1,965.48
  4. Step 4: Simplify right side
    4,431.42x = 13,057,548.45
  5. Step 5: Solve for x
    x = 13,057,548.45/4,431.42
  6. Step 6: Final answer
    x = 2,946.58

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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.