Home / 5,305.06-7,320.93-2,947.21

Finding the Fourth Proportional to 5,305.06, 7,320.93 and 2,947.21

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Solution

The fourth proportional to 5,305.06, 7,320.93 and 2,947.21 is: 4,067.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,305.06 : 7,320.93 = 2,947.21 : x
  2. Step 2: Convert to fraction form
    5,305.06/7,320.93 = 2,947.21/x
  3. Step 3: Cross multiply
    5,305.06x = 7,320.93 × 2,947.21
  4. Step 4: Simplify right side
    5,305.06x = 21,576,318.11
  5. Step 5: Solve for x
    x = 21,576,318.11/5,305.06
  6. Step 6: Final answer
    x = 4,067.12

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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.