Home / 9,220.72-13,829.99-2,557.71

Finding the Fourth Proportional to 9,220.72, 13,829.99 and 2,557.71

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Solution

The fourth proportional to 9,220.72, 13,829.99 and 2,557.71 is: 3,836.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220.72 : 13,829.99 = 2,557.71 : x
  2. Step 2: Convert to fraction form
    9,220.72/13,829.99 = 2,557.71/x
  3. Step 3: Cross multiply
    9,220.72x = 13,829.99 × 2,557.71
  4. Step 4: Simplify right side
    9,220.72x = 35,373,103.72
  5. Step 5: Solve for x
    x = 35,373,103.72/9,220.72
  6. Step 6: Final answer
    x = 3,836.26

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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.