Home / 7,443.90-11,161.80-2,763.72

Finding the Fourth Proportional to 7,443.90, 11,161.80 and 2,763.72

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Solution

The fourth proportional to 7,443.90, 11,161.80 and 2,763.72 is: 4,144.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,443.90 : 11,161.80 = 2,763.72 : x
  2. Step 2: Convert to fraction form
    7,443.90/11,161.80 = 2,763.72/x
  3. Step 3: Cross multiply
    7,443.90x = 11,161.80 × 2,763.72
  4. Step 4: Simplify right side
    7,443.90x = 30,848,089.90
  5. Step 5: Solve for x
    x = 30,848,089.90/7,443.90
  6. Step 6: Final answer
    x = 4,144.08

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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.