Home / 4,429.43-6,638.11-2,089.07

Finding the Fourth Proportional to 4,429.43, 6,638.11 and 2,089.07

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Solution

The fourth proportional to 4,429.43, 6,638.11 and 2,089.07 is: 3,130.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429.43 : 6,638.11 = 2,089.07 : x
  2. Step 2: Convert to fraction form
    4,429.43/6,638.11 = 2,089.07/x
  3. Step 3: Cross multiply
    4,429.43x = 6,638.11 × 2,089.07
  4. Step 4: Simplify right side
    4,429.43x = 13,867,438.04
  5. Step 5: Solve for x
    x = 13,867,438.04/4,429.43
  6. Step 6: Final answer
    x = 3,130.75

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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.