Home / 4,147.84-6,203.20-3,688.48

Finding the Fourth Proportional to 4,147.84, 6,203.20 and 3,688.48

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Solution

The fourth proportional to 4,147.84, 6,203.20 and 3,688.48 is: 5,516.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.84 : 6,203.20 = 3,688.48 : x
  2. Step 2: Convert to fraction form
    4,147.84/6,203.20 = 3,688.48/x
  3. Step 3: Cross multiply
    4,147.84x = 6,203.20 × 3,688.48
  4. Step 4: Simplify right side
    4,147.84x = 22,880,379.14
  5. Step 5: Solve for x
    x = 22,880,379.14/4,147.84
  6. Step 6: Final answer
    x = 5,516.22

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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.