Home / 4,949.48-7,424.60-1,439.54

Finding the Fourth Proportional to 4,949.48, 7,424.60 and 1,439.54

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Solution

The fourth proportional to 4,949.48, 7,424.60 and 1,439.54 is: 2,159.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.48 : 7,424.60 = 1,439.54 : x
  2. Step 2: Convert to fraction form
    4,949.48/7,424.60 = 1,439.54/x
  3. Step 3: Cross multiply
    4,949.48x = 7,424.60 × 1,439.54
  4. Step 4: Simplify right side
    4,949.48x = 10,688,008.68
  5. Step 5: Solve for x
    x = 10,688,008.68/4,949.48
  6. Step 6: Final answer
    x = 2,159.42

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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.