Home / 4,127.50-6,190.53-1,661.68

Finding the Fourth Proportional to 4,127.50, 6,190.53 and 1,661.68

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Solution

The fourth proportional to 4,127.50, 6,190.53 and 1,661.68 is: 2,492.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.50 : 6,190.53 = 1,661.68 : x
  2. Step 2: Convert to fraction form
    4,127.50/6,190.53 = 1,661.68/x
  3. Step 3: Cross multiply
    4,127.50x = 6,190.53 × 1,661.68
  4. Step 4: Simplify right side
    4,127.50x = 10,286,679.89
  5. Step 5: Solve for x
    x = 10,286,679.89/4,127.50
  6. Step 6: Final answer
    x = 2,492.23

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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.