Home / 7,686.37-11,533.31-2,756.39

Finding the Fourth Proportional to 7,686.37, 11,533.31 and 2,756.39

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Solution

The fourth proportional to 7,686.37, 11,533.31 and 2,756.39 is: 4,135.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,686.37 : 11,533.31 = 2,756.39 : x
  2. Step 2: Convert to fraction form
    7,686.37/11,533.31 = 2,756.39/x
  3. Step 3: Cross multiply
    7,686.37x = 11,533.31 × 2,756.39
  4. Step 4: Simplify right side
    7,686.37x = 31,790,300.35
  5. Step 5: Solve for x
    x = 31,790,300.35/7,686.37
  6. Step 6: Final answer
    x = 4,135.93

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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.