Home / 5,305.14-7,320.99-2,947.26

Finding the Fourth Proportional to 5,305.14, 7,320.99 and 2,947.26

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Solution

The fourth proportional to 5,305.14, 7,320.99 and 2,947.26 is: 4,067.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,305.14 : 7,320.99 = 2,947.26 : x
  2. Step 2: Convert to fraction form
    5,305.14/7,320.99 = 2,947.26/x
  3. Step 3: Cross multiply
    5,305.14x = 7,320.99 × 2,947.26
  4. Step 4: Simplify right side
    5,305.14x = 21,576,860.99
  5. Step 5: Solve for x
    x = 21,576,860.99/5,305.14
  6. Step 6: Final answer
    x = 4,067.16

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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.