Home / 6,399.19-9,602.43-2,240.09

Finding the Fourth Proportional to 6,399.19, 9,602.43 and 2,240.09

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Solution

The fourth proportional to 6,399.19, 9,602.43 and 2,240.09 is: 3,361.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,399.19 : 9,602.43 = 2,240.09 : x
  2. Step 2: Convert to fraction form
    6,399.19/9,602.43 = 2,240.09/x
  3. Step 3: Cross multiply
    6,399.19x = 9,602.43 × 2,240.09
  4. Step 4: Simplify right side
    6,399.19x = 21,510,307.42
  5. Step 5: Solve for x
    x = 21,510,307.42/6,399.19
  6. Step 6: Final answer
    x = 3,361.41

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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.