Home / 4,292.24-6,438.33-2,820.74

Finding the Fourth Proportional to 4,292.24, 6,438.33 and 2,820.74

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Solution

The fourth proportional to 4,292.24, 6,438.33 and 2,820.74 is: 4,231.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,292.24 : 6,438.33 = 2,820.74 : x
  2. Step 2: Convert to fraction form
    4,292.24/6,438.33 = 2,820.74/x
  3. Step 3: Cross multiply
    4,292.24x = 6,438.33 × 2,820.74
  4. Step 4: Simplify right side
    4,292.24x = 18,160,854.96
  5. Step 5: Solve for x
    x = 18,160,854.96/4,292.24
  6. Step 6: Final answer
    x = 4,231.09

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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.