Home / 8,132.19-12,199.98-4,623.81

Finding the Fourth Proportional to 8,132.19, 12,199.98 and 4,623.81

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Solution

The fourth proportional to 8,132.19, 12,199.98 and 4,623.81 is: 6,936.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.19 : 12,199.98 = 4,623.81 : x
  2. Step 2: Convert to fraction form
    8,132.19/12,199.98 = 4,623.81/x
  3. Step 3: Cross multiply
    8,132.19x = 12,199.98 × 4,623.81
  4. Step 4: Simplify right side
    8,132.19x = 56,410,389.52
  5. Step 5: Solve for x
    x = 56,410,389.52/8,132.19
  6. Step 6: Final answer
    x = 6,936.68

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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.