Home / 5,282.10-7,921.49-1,583.28

Finding the Fourth Proportional to 5,282.10, 7,921.49 and 1,583.28

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Solution

The fourth proportional to 5,282.10, 7,921.49 and 1,583.28 is: 2,374.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.10 : 7,921.49 = 1,583.28 : x
  2. Step 2: Convert to fraction form
    5,282.10/7,921.49 = 1,583.28/x
  3. Step 3: Cross multiply
    5,282.10x = 7,921.49 × 1,583.28
  4. Step 4: Simplify right side
    5,282.10x = 12,541,928.77
  5. Step 5: Solve for x
    x = 12,541,928.77/5,282.10
  6. Step 6: Final answer
    x = 2,374.42

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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.