Home / 8,120.72-11,206.05-4,583.45

Finding the Fourth Proportional to 8,120.72, 11,206.05 and 4,583.45

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Solution

The fourth proportional to 8,120.72, 11,206.05 and 4,583.45 is: 6,324.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,120.72 : 11,206.05 = 4,583.45 : x
  2. Step 2: Convert to fraction form
    8,120.72/11,206.05 = 4,583.45/x
  3. Step 3: Cross multiply
    8,120.72x = 11,206.05 × 4,583.45
  4. Step 4: Simplify right side
    8,120.72x = 51,362,369.87
  5. Step 5: Solve for x
    x = 51,362,369.87/8,120.72
  6. Step 6: Final answer
    x = 6,324.85

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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.