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Finding the Fourth Proportional to 8,143.93, 11,238 and 4,607.37

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Solution

The fourth proportional to 8,143.93, 11,238 and 4,607.37 is: 6,357.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143.93 : 11,238 = 4,607.37 : x
  2. Step 2: Convert to fraction form
    8,143.93/11,238 = 4,607.37/x
  3. Step 3: Cross multiply
    8,143.93x = 11,238 × 4,607.37
  4. Step 4: Simplify right side
    8,143.93x = 51,777,624.06
  5. Step 5: Solve for x
    x = 51,777,624.06/8,143.93
  6. Step 6: Final answer
    x = 6,357.82

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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.