Home / 5,476.90-8,215.28-2,514.50

Finding the Fourth Proportional to 5,476.90, 8,215.28 and 2,514.50

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Solution

The fourth proportional to 5,476.90, 8,215.28 and 2,514.50 is: 3,771.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.90 : 8,215.28 = 2,514.50 : x
  2. Step 2: Convert to fraction form
    5,476.90/8,215.28 = 2,514.50/x
  3. Step 3: Cross multiply
    5,476.90x = 8,215.28 × 2,514.50
  4. Step 4: Simplify right side
    5,476.90x = 20,657,321.56
  5. Step 5: Solve for x
    x = 20,657,321.56/5,476.90
  6. Step 6: Final answer
    x = 3,771.72

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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.