Home / 4,949.28-7,423.86-1,486.50

Finding the Fourth Proportional to 4,949.28, 7,423.86 and 1,486.50

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Solution

The fourth proportional to 4,949.28, 7,423.86 and 1,486.50 is: 2,229.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.28 : 7,423.86 = 1,486.50 : x
  2. Step 2: Convert to fraction form
    4,949.28/7,423.86 = 1,486.50/x
  3. Step 3: Cross multiply
    4,949.28x = 7,423.86 × 1,486.50
  4. Step 4: Simplify right side
    4,949.28x = 11,035,567.89
  5. Step 5: Solve for x
    x = 11,035,567.89/4,949.28
  6. Step 6: Final answer
    x = 2,229.73

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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.