Home / 4,872.29-7,308.34-1,949.81

Finding the Fourth Proportional to 4,872.29, 7,308.34 and 1,949.81

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Solution

The fourth proportional to 4,872.29, 7,308.34 and 1,949.81 is: 2,924.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872.29 : 7,308.34 = 1,949.81 : x
  2. Step 2: Convert to fraction form
    4,872.29/7,308.34 = 1,949.81/x
  3. Step 3: Cross multiply
    4,872.29x = 7,308.34 × 1,949.81
  4. Step 4: Simplify right side
    4,872.29x = 14,249,887.81
  5. Step 5: Solve for x
    x = 14,249,887.81/4,872.29
  6. Step 6: Final answer
    x = 2,924.68

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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.