Home / 8,949.95-13,426.86-3,403.40

Finding the Fourth Proportional to 8,949.95, 13,426.86 and 3,403.40

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Solution

The fourth proportional to 8,949.95, 13,426.86 and 3,403.40 is: 5,105.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,949.95 : 13,426.86 = 3,403.40 : x
  2. Step 2: Convert to fraction form
    8,949.95/13,426.86 = 3,403.40/x
  3. Step 3: Cross multiply
    8,949.95x = 13,426.86 × 3,403.40
  4. Step 4: Simplify right side
    8,949.95x = 45,696,996.48
  5. Step 5: Solve for x
    x = 45,696,996.48/8,949.95
  6. Step 6: Final answer
    x = 5,105.84

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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.