Home / 7,913.63-11,871.36-3,530.54

Finding the Fourth Proportional to 7,913.63, 11,871.36 and 3,530.54

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Solution

The fourth proportional to 7,913.63, 11,871.36 and 3,530.54 is: 5,296.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913.63 : 11,871.36 = 3,530.54 : x
  2. Step 2: Convert to fraction form
    7,913.63/11,871.36 = 3,530.54/x
  3. Step 3: Cross multiply
    7,913.63x = 11,871.36 × 3,530.54
  4. Step 4: Simplify right side
    7,913.63x = 41,912,311.33
  5. Step 5: Solve for x
    x = 41,912,311.33/7,913.63
  6. Step 6: Final answer
    x = 5,296.22

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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.