Home / 4,117.50-6,172.56-3,147.93

Finding the Fourth Proportional to 4,117.50, 6,172.56 and 3,147.93

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Solution

The fourth proportional to 4,117.50, 6,172.56 and 3,147.93 is: 4,719.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,117.50 : 6,172.56 = 3,147.93 : x
  2. Step 2: Convert to fraction form
    4,117.50/6,172.56 = 3,147.93/x
  3. Step 3: Cross multiply
    4,117.50x = 6,172.56 × 3,147.93
  4. Step 4: Simplify right side
    4,117.50x = 19,430,786.80
  5. Step 5: Solve for x
    x = 19,430,786.80/4,117.50
  6. Step 6: Final answer
    x = 4,719.07

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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.