Home / 4,949.61-7,424.41-1,439.83

Finding the Fourth Proportional to 4,949.61, 7,424.41 and 1,439.83

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Solution

The fourth proportional to 4,949.61, 7,424.41 and 1,439.83 is: 2,159.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.61 : 7,424.41 = 1,439.83 : x
  2. Step 2: Convert to fraction form
    4,949.61/7,424.41 = 1,439.83/x
  3. Step 3: Cross multiply
    4,949.61x = 7,424.41 × 1,439.83
  4. Step 4: Simplify right side
    4,949.61x = 10,689,888.25
  5. Step 5: Solve for x
    x = 10,689,888.25/4,949.61
  6. Step 6: Final answer
    x = 2,159.74

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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.