Home / 4,429.40-6,644.07-1,142.21

Finding the Fourth Proportional to 4,429.40, 6,644.07 and 1,142.21

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Solution

The fourth proportional to 4,429.40, 6,644.07 and 1,142.21 is: 1,713.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429.40 : 6,644.07 = 1,142.21 : x
  2. Step 2: Convert to fraction form
    4,429.40/6,644.07 = 1,142.21/x
  3. Step 3: Cross multiply
    4,429.40x = 6,644.07 × 1,142.21
  4. Step 4: Simplify right side
    4,429.40x = 7,588,889.97
  5. Step 5: Solve for x
    x = 7,588,889.97/4,429.40
  6. Step 6: Final answer
    x = 1,713.30

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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.