Home / 5,179.88-7,771.05-1,717.13

Finding the Fourth Proportional to 5,179.88, 7,771.05 and 1,717.13

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Solution

The fourth proportional to 5,179.88, 7,771.05 and 1,717.13 is: 2,576.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.88 : 7,771.05 = 1,717.13 : x
  2. Step 2: Convert to fraction form
    5,179.88/7,771.05 = 1,717.13/x
  3. Step 3: Cross multiply
    5,179.88x = 7,771.05 × 1,717.13
  4. Step 4: Simplify right side
    5,179.88x = 13,343,864.23
  5. Step 5: Solve for x
    x = 13,343,864.23/5,179.88
  6. Step 6: Final answer
    x = 2,576.10

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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.