Home / 5,167.14-7,750.63-1,271.54

Finding the Fourth Proportional to 5,167.14, 7,750.63 and 1,271.54

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Solution

The fourth proportional to 5,167.14, 7,750.63 and 1,271.54 is: 1,907.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167.14 : 7,750.63 = 1,271.54 : x
  2. Step 2: Convert to fraction form
    5,167.14/7,750.63 = 1,271.54/x
  3. Step 3: Cross multiply
    5,167.14x = 7,750.63 × 1,271.54
  4. Step 4: Simplify right side
    5,167.14x = 9,855,229.71
  5. Step 5: Solve for x
    x = 9,855,229.71/5,167.14
  6. Step 6: Final answer
    x = 1,907.29

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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.