Home / 8,682.62-13,024.51-4,298.90

Finding the Fourth Proportional to 8,682.62, 13,024.51 and 4,298.90

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Solution

The fourth proportional to 8,682.62, 13,024.51 and 4,298.90 is: 6,448.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.62 : 13,024.51 = 4,298.90 : x
  2. Step 2: Convert to fraction form
    8,682.62/13,024.51 = 4,298.90/x
  3. Step 3: Cross multiply
    8,682.62x = 13,024.51 × 4,298.90
  4. Step 4: Simplify right side
    8,682.62x = 55,990,990.17
  5. Step 5: Solve for x
    x = 55,990,990.17/8,682.62
  6. Step 6: Final answer
    x = 6,448.63

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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.