Home / 8,945.04-13,408.92-5,661.84

Finding the Fourth Proportional to 8,945.04, 13,408.92 and 5,661.84

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Solution

The fourth proportional to 8,945.04, 13,408.92 and 5,661.84 is: 8,487.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,945.04 : 13,408.92 = 5,661.84 : x
  2. Step 2: Convert to fraction form
    8,945.04/13,408.92 = 5,661.84/x
  3. Step 3: Cross multiply
    8,945.04x = 13,408.92 × 5,661.84
  4. Step 4: Simplify right side
    8,945.04x = 75,919,159.61
  5. Step 5: Solve for x
    x = 75,919,159.61/8,945.04
  6. Step 6: Final answer
    x = 8,487.29

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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.