Home / 4,170.79-6,220.81-3,516.99

Finding the Fourth Proportional to 4,170.79, 6,220.81 and 3,516.99

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Solution

The fourth proportional to 4,170.79, 6,220.81 and 3,516.99 is: 5,245.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170.79 : 6,220.81 = 3,516.99 : x
  2. Step 2: Convert to fraction form
    4,170.79/6,220.81 = 3,516.99/x
  3. Step 3: Cross multiply
    4,170.79x = 6,220.81 × 3,516.99
  4. Step 4: Simplify right side
    4,170.79x = 21,878,526.56
  5. Step 5: Solve for x
    x = 21,878,526.56/4,170.79
  6. Step 6: Final answer
    x = 5,245.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.