Home / 5,476.64-8,215.01-1,581.03

Finding the Fourth Proportional to 5,476.64, 8,215.01 and 1,581.03

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Solution

The fourth proportional to 5,476.64, 8,215.01 and 1,581.03 is: 2,371.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.64 : 8,215.01 = 1,581.03 : x
  2. Step 2: Convert to fraction form
    5,476.64/8,215.01 = 1,581.03/x
  3. Step 3: Cross multiply
    5,476.64x = 8,215.01 × 1,581.03
  4. Step 4: Simplify right side
    5,476.64x = 12,988,169.36
  5. Step 5: Solve for x
    x = 12,988,169.36/5,476.64
  6. Step 6: Final answer
    x = 2,371.56

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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.