Home / 4,839.80-7,253.32-1,916.51

Finding the Fourth Proportional to 4,839.80, 7,253.32 and 1,916.51

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Solution

The fourth proportional to 4,839.80, 7,253.32 and 1,916.51 is: 2,872.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839.80 : 7,253.32 = 1,916.51 : x
  2. Step 2: Convert to fraction form
    4,839.80/7,253.32 = 1,916.51/x
  3. Step 3: Cross multiply
    4,839.80x = 7,253.32 × 1,916.51
  4. Step 4: Simplify right side
    4,839.80x = 13,901,037.39
  5. Step 5: Solve for x
    x = 13,901,037.39/4,839.80
  6. Step 6: Final answer
    x = 2,872.24

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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.