Home / 8,381.81-12,553.58-4,002.35

Finding the Fourth Proportional to 8,381.81, 12,553.58 and 4,002.35

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Solution

The fourth proportional to 8,381.81, 12,553.58 and 4,002.35 is: 5,994.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,381.81 : 12,553.58 = 4,002.35 : x
  2. Step 2: Convert to fraction form
    8,381.81/12,553.58 = 4,002.35/x
  3. Step 3: Cross multiply
    8,381.81x = 12,553.58 × 4,002.35
  4. Step 4: Simplify right side
    8,381.81x = 50,243,768.15
  5. Step 5: Solve for x
    x = 50,243,768.15/8,381.81
  6. Step 6: Final answer
    x = 5,994.38

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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.