Home / 8,219.72-12,328.35-3,024.38

Finding the Fourth Proportional to 8,219.72, 12,328.35 and 3,024.38

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Solution

The fourth proportional to 8,219.72, 12,328.35 and 3,024.38 is: 4,536.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,219.72 : 12,328.35 = 3,024.38 : x
  2. Step 2: Convert to fraction form
    8,219.72/12,328.35 = 3,024.38/x
  3. Step 3: Cross multiply
    8,219.72x = 12,328.35 × 3,024.38
  4. Step 4: Simplify right side
    8,219.72x = 37,285,553.53
  5. Step 5: Solve for x
    x = 37,285,553.53/8,219.72
  6. Step 6: Final answer
    x = 4,536.11

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1.5x scale

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.