Home / 7,212.63-10,818.84-3,924.96

Finding the Fourth Proportional to 7,212.63, 10,818.84 and 3,924.96

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Solution

The fourth proportional to 7,212.63, 10,818.84 and 3,924.96 is: 5,887.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212.63 : 10,818.84 = 3,924.96 : x
  2. Step 2: Convert to fraction form
    7,212.63/10,818.84 = 3,924.96/x
  3. Step 3: Cross multiply
    7,212.63x = 10,818.84 × 3,924.96
  4. Step 4: Simplify right side
    7,212.63x = 42,463,514.25
  5. Step 5: Solve for x
    x = 42,463,514.25/7,212.63
  6. Step 6: Final answer
    x = 5,887.38

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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.