Home / 4,949.83-7,423.53-1,439.74

Finding the Fourth Proportional to 4,949.83, 7,423.53 and 1,439.74

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Solution

The fourth proportional to 4,949.83, 7,423.53 and 1,439.74 is: 2,159.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.83 : 7,423.53 = 1,439.74 : x
  2. Step 2: Convert to fraction form
    4,949.83/7,423.53 = 1,439.74/x
  3. Step 3: Cross multiply
    4,949.83x = 7,423.53 × 1,439.74
  4. Step 4: Simplify right side
    4,949.83x = 10,687,953.08
  5. Step 5: Solve for x
    x = 10,687,953.08/4,949.83
  6. Step 6: Final answer
    x = 2,159.26

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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.