Home / 8,398.26-12,598.83-3,465.21

Finding the Fourth Proportional to 8,398.26, 12,598.83 and 3,465.21

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Solution

The fourth proportional to 8,398.26, 12,598.83 and 3,465.21 is: 5,198.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,398.26 : 12,598.83 = 3,465.21 : x
  2. Step 2: Convert to fraction form
    8,398.26/12,598.83 = 3,465.21/x
  3. Step 3: Cross multiply
    8,398.26x = 12,598.83 × 3,465.21
  4. Step 4: Simplify right side
    8,398.26x = 43,657,591.70
  5. Step 5: Solve for x
    x = 43,657,591.70/8,398.26
  6. Step 6: Final answer
    x = 5,198.41

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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.