Home / 5,043.78-7,566.81-1,581.06

Finding the Fourth Proportional to 5,043.78, 7,566.81 and 1,581.06

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Solution

The fourth proportional to 5,043.78, 7,566.81 and 1,581.06 is: 2,371.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,043.78 : 7,566.81 = 1,581.06 : x
  2. Step 2: Convert to fraction form
    5,043.78/7,566.81 = 1,581.06/x
  3. Step 3: Cross multiply
    5,043.78x = 7,566.81 × 1,581.06
  4. Step 4: Simplify right side
    5,043.78x = 11,963,580.62
  5. Step 5: Solve for x
    x = 11,963,580.62/5,043.78
  6. Step 6: Final answer
    x = 2,371.95

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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.