Home / 8,408.11-11,603.50-5,223.16

Finding the Fourth Proportional to 8,408.11, 11,603.50 and 5,223.16

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Solution

The fourth proportional to 8,408.11, 11,603.50 and 5,223.16 is: 7,208.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,408.11 : 11,603.50 = 5,223.16 : x
  2. Step 2: Convert to fraction form
    8,408.11/11,603.50 = 5,223.16/x
  3. Step 3: Cross multiply
    8,408.11x = 11,603.50 × 5,223.16
  4. Step 4: Simplify right side
    8,408.11x = 60,606,978.49
  5. Step 5: Solve for x
    x = 60,606,978.49/8,408.11
  6. Step 6: Final answer
    x = 7,208.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.