Home / 8,603.13-12,906.85-2,447.13

Finding the Fourth Proportional to 8,603.13, 12,906.85 and 2,447.13

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Solution

The fourth proportional to 8,603.13, 12,906.85 and 2,447.13 is: 3,671.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,603.13 : 12,906.85 = 2,447.13 : x
  2. Step 2: Convert to fraction form
    8,603.13/12,906.85 = 2,447.13/x
  3. Step 3: Cross multiply
    8,603.13x = 12,906.85 × 2,447.13
  4. Step 4: Simplify right side
    8,603.13x = 31,584,739.84
  5. Step 5: Solve for x
    x = 31,584,739.84/8,603.13
  6. Step 6: Final answer
    x = 3,671.31

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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.