Home / 7,686.90-11,533.23-2,756.34

Finding the Fourth Proportional to 7,686.90, 11,533.23 and 2,756.34

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Solution

The fourth proportional to 7,686.90, 11,533.23 and 2,756.34 is: 4,135.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,686.90 : 11,533.23 = 2,756.34 : x
  2. Step 2: Convert to fraction form
    7,686.90/11,533.23 = 2,756.34/x
  3. Step 3: Cross multiply
    7,686.90x = 11,533.23 × 2,756.34
  4. Step 4: Simplify right side
    7,686.90x = 31,789,503.18
  5. Step 5: Solve for x
    x = 31,789,503.18/7,686.90
  6. Step 6: Final answer
    x = 4,135.54

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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.