Home / 4,221.15-5,825.41-2,543.09

Finding the Fourth Proportional to 4,221.15, 5,825.41 and 2,543.09

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Solution

The fourth proportional to 4,221.15, 5,825.41 and 2,543.09 is: 3,509.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221.15 : 5,825.41 = 2,543.09 : x
  2. Step 2: Convert to fraction form
    4,221.15/5,825.41 = 2,543.09/x
  3. Step 3: Cross multiply
    4,221.15x = 5,825.41 × 2,543.09
  4. Step 4: Simplify right side
    4,221.15x = 14,814,512.79
  5. Step 5: Solve for x
    x = 14,814,512.79/4,221.15
  6. Step 6: Final answer
    x = 3,509.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.