Home / 5,476.44-8,215.89-1,581.15

Finding the Fourth Proportional to 5,476.44, 8,215.89 and 1,581.15

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Solution

The fourth proportional to 5,476.44, 8,215.89 and 1,581.15 is: 2,372.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.44 : 8,215.89 = 1,581.15 : x
  2. Step 2: Convert to fraction form
    5,476.44/8,215.89 = 1,581.15/x
  3. Step 3: Cross multiply
    5,476.44x = 8,215.89 × 1,581.15
  4. Step 4: Simplify right side
    5,476.44x = 12,990,554.47
  5. Step 5: Solve for x
    x = 12,990,554.47/5,476.44
  6. Step 6: Final answer
    x = 2,372.08

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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.