Home / 7,741.88-11,612.77-1,898.44

Finding the Fourth Proportional to 7,741.88, 11,612.77 and 1,898.44

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Solution

The fourth proportional to 7,741.88, 11,612.77 and 1,898.44 is: 2,847.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,741.88 : 11,612.77 = 1,898.44 : x
  2. Step 2: Convert to fraction form
    7,741.88/11,612.77 = 1,898.44/x
  3. Step 3: Cross multiply
    7,741.88x = 11,612.77 × 1,898.44
  4. Step 4: Simplify right side
    7,741.88x = 22,046,113.30
  5. Step 5: Solve for x
    x = 22,046,113.30/7,741.88
  6. Step 6: Final answer
    x = 2,847.64

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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.