Home / 7,741.45-11,612.22-1,898.07

Finding the Fourth Proportional to 7,741.45, 11,612.22 and 1,898.07

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Solution

The fourth proportional to 7,741.45, 11,612.22 and 1,898.07 is: 2,847.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,741.45 : 11,612.22 = 1,898.07 : x
  2. Step 2: Convert to fraction form
    7,741.45/11,612.22 = 1,898.07/x
  3. Step 3: Cross multiply
    7,741.45x = 11,612.22 × 1,898.07
  4. Step 4: Simplify right side
    7,741.45x = 22,040,806.42
  5. Step 5: Solve for x
    x = 22,040,806.42/7,741.45
  6. Step 6: Final answer
    x = 2,847.12

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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.