Home / 5,181.03-7,771.55-1,717.47

Finding the Fourth Proportional to 5,181.03, 7,771.55 and 1,717.47

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Solution

The fourth proportional to 5,181.03, 7,771.55 and 1,717.47 is: 2,576.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.03 : 7,771.55 = 1,717.47 : x
  2. Step 2: Convert to fraction form
    5,181.03/7,771.55 = 1,717.47/x
  3. Step 3: Cross multiply
    5,181.03x = 7,771.55 × 1,717.47
  4. Step 4: Simplify right side
    5,181.03x = 13,347,395.39
  5. Step 5: Solve for x
    x = 13,347,395.39/5,181.03
  6. Step 6: Final answer
    x = 2,576.21

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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.