Home / 7,427.19-11,138.85-2,162.19

Finding the Fourth Proportional to 7,427.19, 11,138.85 and 2,162.19

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Solution

The fourth proportional to 7,427.19, 11,138.85 and 2,162.19 is: 3,242.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.19 : 11,138.85 = 2,162.19 : x
  2. Step 2: Convert to fraction form
    7,427.19/11,138.85 = 2,162.19/x
  3. Step 3: Cross multiply
    7,427.19x = 11,138.85 × 2,162.19
  4. Step 4: Simplify right side
    7,427.19x = 24,084,310.08
  5. Step 5: Solve for x
    x = 24,084,310.08/7,427.19
  6. Step 6: Final answer
    x = 3,242.72

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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.