Home / 5,203.46-7,800.87-2,428.67

Finding the Fourth Proportional to 5,203.46, 7,800.87 and 2,428.67

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Solution

The fourth proportional to 5,203.46, 7,800.87 and 2,428.67 is: 3,640.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,203.46 : 7,800.87 = 2,428.67 : x
  2. Step 2: Convert to fraction form
    5,203.46/7,800.87 = 2,428.67/x
  3. Step 3: Cross multiply
    5,203.46x = 7,800.87 × 2,428.67
  4. Step 4: Simplify right side
    5,203.46x = 18,945,738.94
  5. Step 5: Solve for x
    x = 18,945,738.94/5,203.46
  6. Step 6: Final answer
    x = 3,640.99

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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.