Home / 4,949.20-7,406.11-4,298.74

Finding the Fourth Proportional to 4,949.20, 7,406.11 and 4,298.74

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Solution

The fourth proportional to 4,949.20, 7,406.11 and 4,298.74 is: 6,432.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.20 : 7,406.11 = 4,298.74 : x
  2. Step 2: Convert to fraction form
    4,949.20/7,406.11 = 4,298.74/x
  3. Step 3: Cross multiply
    4,949.20x = 7,406.11 × 4,298.74
  4. Step 4: Simplify right side
    4,949.20x = 31,836,928.66
  5. Step 5: Solve for x
    x = 31,836,928.66/4,949.20
  6. Step 6: Final answer
    x = 6,432.74

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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.