Home / 9,211.04-13,807.61-3,947.42

Finding the Fourth Proportional to 9,211.04, 13,807.61 and 3,947.42

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Solution

The fourth proportional to 9,211.04, 13,807.61 and 3,947.42 is: 5,917.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,211.04 : 13,807.61 = 3,947.42 : x
  2. Step 2: Convert to fraction form
    9,211.04/13,807.61 = 3,947.42/x
  3. Step 3: Cross multiply
    9,211.04x = 13,807.61 × 3,947.42
  4. Step 4: Simplify right side
    9,211.04x = 54,504,347.09
  5. Step 5: Solve for x
    x = 54,504,347.09/9,211.04
  6. Step 6: Final answer
    x = 5,917.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.