Home / 8,186.10-12,271.05-4,022.70

Finding the Fourth Proportional to 8,186.10, 12,271.05 and 4,022.70

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Solution

The fourth proportional to 8,186.10, 12,271.05 and 4,022.70 is: 6,030.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,186.10 : 12,271.05 = 4,022.70 : x
  2. Step 2: Convert to fraction form
    8,186.10/12,271.05 = 4,022.70/x
  3. Step 3: Cross multiply
    8,186.10x = 12,271.05 × 4,022.70
  4. Step 4: Simplify right side
    8,186.10x = 49,362,752.84
  5. Step 5: Solve for x
    x = 49,362,752.84/8,186.10
  6. Step 6: Final answer
    x = 6,030.07

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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.