Home / 5,180.16-7,770.06-1,717.38

Finding the Fourth Proportional to 5,180.16, 7,770.06 and 1,717.38

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Solution

The fourth proportional to 5,180.16, 7,770.06 and 1,717.38 is: 2,576.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.16 : 7,770.06 = 1,717.38 : x
  2. Step 2: Convert to fraction form
    5,180.16/7,770.06 = 1,717.38/x
  3. Step 3: Cross multiply
    5,180.16x = 7,770.06 × 1,717.38
  4. Step 4: Simplify right side
    5,180.16x = 13,344,145.64
  5. Step 5: Solve for x
    x = 13,344,145.64/5,180.16
  6. Step 6: Final answer
    x = 2,576.01

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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.