Home / 8,408.55-11,603.79-4,873.81

Finding the Fourth Proportional to 8,408.55, 11,603.79 and 4,873.81

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Solution

The fourth proportional to 8,408.55, 11,603.79 and 4,873.81 is: 6,725.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,408.55 : 11,603.79 = 4,873.81 : x
  2. Step 2: Convert to fraction form
    8,408.55/11,603.79 = 4,873.81/x
  3. Step 3: Cross multiply
    8,408.55x = 11,603.79 × 4,873.81
  4. Step 4: Simplify right side
    8,408.55x = 56,554,667.74
  5. Step 5: Solve for x
    x = 56,554,667.74/8,408.55
  6. Step 6: Final answer
    x = 6,725.85

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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.