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Finding the Fourth Proportional to 4,713.39, 6,507.27 and 2,947.39

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Solution

The fourth proportional to 4,713.39, 6,507.27 and 2,947.39 is: 4,069.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,713.39 : 6,507.27 = 2,947.39 : x
  2. Step 2: Convert to fraction form
    4,713.39/6,507.27 = 2,947.39/x
  3. Step 3: Cross multiply
    4,713.39x = 6,507.27 × 2,947.39
  4. Step 4: Simplify right side
    4,713.39x = 19,179,446.26
  5. Step 5: Solve for x
    x = 19,179,446.26/4,713.39
  6. Step 6: Final answer
    x = 4,069.14

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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.