Home / 5,408.13-8,112.19-1,304.13

Finding the Fourth Proportional to 5,408.13, 8,112.19 and 1,304.13

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Solution

The fourth proportional to 5,408.13, 8,112.19 and 1,304.13 is: 1,956.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.13 : 8,112.19 = 1,304.13 : x
  2. Step 2: Convert to fraction form
    5,408.13/8,112.19 = 1,304.13/x
  3. Step 3: Cross multiply
    5,408.13x = 8,112.19 × 1,304.13
  4. Step 4: Simplify right side
    5,408.13x = 10,579,350.34
  5. Step 5: Solve for x
    x = 10,579,350.34/5,408.13
  6. Step 6: Final answer
    x = 1,956.19

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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.