Home / 8,398.10-12,593.66-3,133.44

Finding the Fourth Proportional to 8,398.10, 12,593.66 and 3,133.44

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Solution

The fourth proportional to 8,398.10, 12,593.66 and 3,133.44 is: 4,698.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,398.10 : 12,593.66 = 3,133.44 : x
  2. Step 2: Convert to fraction form
    8,398.10/12,593.66 = 3,133.44/x
  3. Step 3: Cross multiply
    8,398.10x = 12,593.66 × 3,133.44
  4. Step 4: Simplify right side
    8,398.10x = 39,461,477.99
  5. Step 5: Solve for x
    x = 39,461,477.99/8,398.10
  6. Step 6: Final answer
    x = 4,698.86

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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.