Home / 7,749.96-11,621.04-2,818.84

Finding the Fourth Proportional to 7,749.96, 11,621.04 and 2,818.84

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Solution

The fourth proportional to 7,749.96, 11,621.04 and 2,818.84 is: 4,226.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,749.96 : 11,621.04 = 2,818.84 : x
  2. Step 2: Convert to fraction form
    7,749.96/11,621.04 = 2,818.84/x
  3. Step 3: Cross multiply
    7,749.96x = 11,621.04 × 2,818.84
  4. Step 4: Simplify right side
    7,749.96x = 32,757,852.39
  5. Step 5: Solve for x
    x = 32,757,852.39/7,749.96
  6. Step 6: Final answer
    x = 4,226.84

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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.