Home / 5,246.61-7,240.69-2,947.18

Finding the Fourth Proportional to 5,246.61, 7,240.69 and 2,947.18

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Solution

The fourth proportional to 5,246.61, 7,240.69 and 2,947.18 is: 4,067.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.61 : 7,240.69 = 2,947.18 : x
  2. Step 2: Convert to fraction form
    5,246.61/7,240.69 = 2,947.18/x
  3. Step 3: Cross multiply
    5,246.61x = 7,240.69 × 2,947.18
  4. Step 4: Simplify right side
    5,246.61x = 21,339,616.75
  5. Step 5: Solve for x
    x = 21,339,616.75/5,246.61
  6. Step 6: Final answer
    x = 4,067.32

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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.