Home / 5,045.43-7,563.29-1,581.87

Finding the Fourth Proportional to 5,045.43, 7,563.29 and 1,581.87

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Solution

The fourth proportional to 5,045.43, 7,563.29 and 1,581.87 is: 2,371.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,045.43 : 7,563.29 = 1,581.87 : x
  2. Step 2: Convert to fraction form
    5,045.43/7,563.29 = 1,581.87/x
  3. Step 3: Cross multiply
    5,045.43x = 7,563.29 × 1,581.87
  4. Step 4: Simplify right side
    5,045.43x = 11,964,133.64
  5. Step 5: Solve for x
    x = 11,964,133.64/5,045.43
  6. Step 6: Final answer
    x = 2,371.28

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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.