Home / 4,518.60-6,235.02-2,947.20

Finding the Fourth Proportional to 4,518.60, 6,235.02 and 2,947.20

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Solution

The fourth proportional to 4,518.60, 6,235.02 and 2,947.20 is: 4,066.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,518.60 : 6,235.02 = 2,947.20 : x
  2. Step 2: Convert to fraction form
    4,518.60/6,235.02 = 2,947.20/x
  3. Step 3: Cross multiply
    4,518.60x = 6,235.02 × 2,947.20
  4. Step 4: Simplify right side
    4,518.60x = 18,375,850.94
  5. Step 5: Solve for x
    x = 18,375,850.94/4,518.60
  6. Step 6: Final answer
    x = 4,066.71

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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.