Home / 8,190.92-12,285.17-4,029.81

Finding the Fourth Proportional to 8,190.92, 12,285.17 and 4,029.81

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Solution

The fourth proportional to 8,190.92, 12,285.17 and 4,029.81 is: 6,044.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190.92 : 12,285.17 = 4,029.81 : x
  2. Step 2: Convert to fraction form
    8,190.92/12,285.17 = 4,029.81/x
  3. Step 3: Cross multiply
    8,190.92x = 12,285.17 × 4,029.81
  4. Step 4: Simplify right side
    8,190.92x = 49,506,880.77
  5. Step 5: Solve for x
    x = 49,506,880.77/8,190.92
  6. Step 6: Final answer
    x = 6,044.12

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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.