Home / 8,329.08-12,493.56-3,398.70

Finding the Fourth Proportional to 8,329.08, 12,493.56 and 3,398.70

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Solution

The fourth proportional to 8,329.08, 12,493.56 and 3,398.70 is: 5,098.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,329.08 : 12,493.56 = 3,398.70 : x
  2. Step 2: Convert to fraction form
    8,329.08/12,493.56 = 3,398.70/x
  3. Step 3: Cross multiply
    8,329.08x = 12,493.56 × 3,398.70
  4. Step 4: Simplify right side
    8,329.08x = 42,461,862.37
  5. Step 5: Solve for x
    x = 42,461,862.37/8,329.08
  6. Step 6: Final answer
    x = 5,098.03

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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.