Home / 8,529.10-11,768.83-5,340.87

Finding the Fourth Proportional to 8,529.10, 11,768.83 and 5,340.87

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Solution

The fourth proportional to 8,529.10, 11,768.83 and 5,340.87 is: 7,369.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,529.10 : 11,768.83 = 5,340.87 : x
  2. Step 2: Convert to fraction form
    8,529.10/11,768.83 = 5,340.87/x
  3. Step 3: Cross multiply
    8,529.10x = 11,768.83 × 5,340.87
  4. Step 4: Simplify right side
    8,529.10x = 62,855,777.73
  5. Step 5: Solve for x
    x = 62,855,777.73/8,529.10
  6. Step 6: Final answer
    x = 7,369.57

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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.