Home / 4,744.84-7,118.16-2,147.76

Finding the Fourth Proportional to 4,744.84, 7,118.16 and 2,147.76

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Solution

The fourth proportional to 4,744.84, 7,118.16 and 2,147.76 is: 3,222.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,744.84 : 7,118.16 = 2,147.76 : x
  2. Step 2: Convert to fraction form
    4,744.84/7,118.16 = 2,147.76/x
  3. Step 3: Cross multiply
    4,744.84x = 7,118.16 × 2,147.76
  4. Step 4: Simplify right side
    4,744.84x = 15,288,099.32
  5. Step 5: Solve for x
    x = 15,288,099.32/4,744.84
  6. Step 6: Final answer
    x = 3,222.05

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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.