Home / 8,133.48-11,219.87-4,947.75

Finding the Fourth Proportional to 8,133.48, 11,219.87 and 4,947.75

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Solution

The fourth proportional to 8,133.48, 11,219.87 and 4,947.75 is: 6,825.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,133.48 : 11,219.87 = 4,947.75 : x
  2. Step 2: Convert to fraction form
    8,133.48/11,219.87 = 4,947.75/x
  3. Step 3: Cross multiply
    8,133.48x = 11,219.87 × 4,947.75
  4. Step 4: Simplify right side
    8,133.48x = 55,513,049.00
  5. Step 5: Solve for x
    x = 55,513,049.00/8,133.48
  6. Step 6: Final answer
    x = 6,825.26

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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.