Home / 4,728.84-7,120.68-3,504.90

Finding the Fourth Proportional to 4,728.84, 7,120.68 and 3,504.90

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Solution

The fourth proportional to 4,728.84, 7,120.68 and 3,504.90 is: 5,277.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,728.84 : 7,120.68 = 3,504.90 : x
  2. Step 2: Convert to fraction form
    4,728.84/7,120.68 = 3,504.90/x
  3. Step 3: Cross multiply
    4,728.84x = 7,120.68 × 3,504.90
  4. Step 4: Simplify right side
    4,728.84x = 24,957,271.33
  5. Step 5: Solve for x
    x = 24,957,271.33/4,728.84
  6. Step 6: Final answer
    x = 5,277.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.