Home / 4,927.18-7,380.64-3,278.42

Finding the Fourth Proportional to 4,927.18, 7,380.64 and 3,278.42

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Solution

The fourth proportional to 4,927.18, 7,380.64 and 3,278.42 is: 4,910.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927.18 : 7,380.64 = 3,278.42 : x
  2. Step 2: Convert to fraction form
    4,927.18/7,380.64 = 3,278.42/x
  3. Step 3: Cross multiply
    4,927.18x = 7,380.64 × 3,278.42
  4. Step 4: Simplify right side
    4,927.18x = 24,196,837.79
  5. Step 5: Solve for x
    x = 24,196,837.79/4,927.18
  6. Step 6: Final answer
    x = 4,910.89

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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.