Home / 4,309.39-5,947.62-2,631.78

Finding the Fourth Proportional to 4,309.39, 5,947.62 and 2,631.78

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Solution

The fourth proportional to 4,309.39, 5,947.62 and 2,631.78 is: 3,632.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,309.39 : 5,947.62 = 2,631.78 : x
  2. Step 2: Convert to fraction form
    4,309.39/5,947.62 = 2,631.78/x
  3. Step 3: Cross multiply
    4,309.39x = 5,947.62 × 2,631.78
  4. Step 4: Simplify right side
    4,309.39x = 15,652,827.36
  5. Step 5: Solve for x
    x = 15,652,827.36/4,309.39
  6. Step 6: Final answer
    x = 3,632.26

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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.