Home / 7,741.84-11,614.16-2,818.39

Finding the Fourth Proportional to 7,741.84, 11,614.16 and 2,818.39

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Solution

The fourth proportional to 7,741.84, 11,614.16 and 2,818.39 is: 4,228.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,741.84 : 11,614.16 = 2,818.39 : x
  2. Step 2: Convert to fraction form
    7,741.84/11,614.16 = 2,818.39/x
  3. Step 3: Cross multiply
    7,741.84x = 11,614.16 × 2,818.39
  4. Step 4: Simplify right side
    7,741.84x = 32,733,218.31
  5. Step 5: Solve for x
    x = 32,733,218.31/7,741.84
  6. Step 6: Final answer
    x = 4,228.09

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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.