Home / 8,143.83-11,238.74-4,606.97

Finding the Fourth Proportional to 8,143.83, 11,238.74 and 4,606.97

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Solution

The fourth proportional to 8,143.83, 11,238.74 and 4,606.97 is: 6,357.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143.83 : 11,238.74 = 4,606.97 : x
  2. Step 2: Convert to fraction form
    8,143.83/11,238.74 = 4,606.97/x
  3. Step 3: Cross multiply
    8,143.83x = 11,238.74 × 4,606.97
  4. Step 4: Simplify right side
    8,143.83x = 51,776,538.02
  5. Step 5: Solve for x
    x = 51,776,538.02/8,143.83
  6. Step 6: Final answer
    x = 6,357.76

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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.