Home / 6,278.84-9,421.36-4,441.76

Finding the Fourth Proportional to 6,278.84, 9,421.36 and 4,441.76

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Solution

The fourth proportional to 6,278.84, 9,421.36 and 4,441.76 is: 6,664.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.84 : 9,421.36 = 4,441.76 : x
  2. Step 2: Convert to fraction form
    6,278.84/9,421.36 = 4,441.76/x
  3. Step 3: Cross multiply
    6,278.84x = 9,421.36 × 4,441.76
  4. Step 4: Simplify right side
    6,278.84x = 41,847,419.99
  5. Step 5: Solve for x
    x = 41,847,419.99/6,278.84
  6. Step 6: Final answer
    x = 6,664.83

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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.