Home / 6,278.84-9,418.20-3,814.34

Finding the Fourth Proportional to 6,278.84, 9,418.20 and 3,814.34

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Solution

The fourth proportional to 6,278.84, 9,418.20 and 3,814.34 is: 5,721.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.84 : 9,418.20 = 3,814.34 : x
  2. Step 2: Convert to fraction form
    6,278.84/9,418.20 = 3,814.34/x
  3. Step 3: Cross multiply
    6,278.84x = 9,418.20 × 3,814.34
  4. Step 4: Simplify right side
    6,278.84x = 35,924,216.99
  5. Step 5: Solve for x
    x = 35,924,216.99/6,278.84
  6. Step 6: Final answer
    x = 5,721.47

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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.