Home / 4,309.47-5,947.71-2,631.84

Finding the Fourth Proportional to 4,309.47, 5,947.71 and 2,631.84

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Solution

The fourth proportional to 4,309.47, 5,947.71 and 2,631.84 is: 3,632.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,309.47 : 5,947.71 = 2,631.84 : x
  2. Step 2: Convert to fraction form
    4,309.47/5,947.71 = 2,631.84/x
  3. Step 3: Cross multiply
    4,309.47x = 5,947.71 × 2,631.84
  4. Step 4: Simplify right side
    4,309.47x = 15,653,437.17
  5. Step 5: Solve for x
    x = 15,653,437.17/4,309.47
  6. Step 6: Final answer
    x = 3,632.33

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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.