Home / 8,143.69-11,238.29-4,606.82

Finding the Fourth Proportional to 8,143.69, 11,238.29 and 4,606.82

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Solution

The fourth proportional to 8,143.69, 11,238.29 and 4,606.82 is: 6,357.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143.69 : 11,238.29 = 4,606.82 : x
  2. Step 2: Convert to fraction form
    8,143.69/11,238.29 = 4,606.82/x
  3. Step 3: Cross multiply
    8,143.69x = 11,238.29 × 4,606.82
  4. Step 4: Simplify right side
    8,143.69x = 51,772,818.75
  5. Step 5: Solve for x
    x = 51,772,818.75/8,143.69
  6. Step 6: Final answer
    x = 6,357.42

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Half scale
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Double scale
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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.