Home / 8,138.37-11,231.88-4,601.51

Finding the Fourth Proportional to 8,138.37, 11,231.88 and 4,601.51

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Solution

The fourth proportional to 8,138.37, 11,231.88 and 4,601.51 is: 6,350.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,138.37 : 11,231.88 = 4,601.51 : x
  2. Step 2: Convert to fraction form
    8,138.37/11,231.88 = 4,601.51/x
  3. Step 3: Cross multiply
    8,138.37x = 11,231.88 × 4,601.51
  4. Step 4: Simplify right side
    8,138.37x = 51,683,551.98
  5. Step 5: Solve for x
    x = 51,683,551.98/8,138.37
  6. Step 6: Final answer
    x = 6,350.60

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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.