Home / 4,273.20-5,894.10-2,856.30

Finding the Fourth Proportional to 4,273.20, 5,894.10 and 2,856.30

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Solution

The fourth proportional to 4,273.20, 5,894.10 and 2,856.30 is: 3,939.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,273.20 : 5,894.10 = 2,856.30 : x
  2. Step 2: Convert to fraction form
    4,273.20/5,894.10 = 2,856.30/x
  3. Step 3: Cross multiply
    4,273.20x = 5,894.10 × 2,856.30
  4. Step 4: Simplify right side
    4,273.20x = 16,835,317.83
  5. Step 5: Solve for x
    x = 16,835,317.83/4,273.20
  6. Step 6: Final answer
    x = 3,939.74

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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.