Home / 6,687.52-10,025.68-3,907.36

Finding the Fourth Proportional to 6,687.52, 10,025.68 and 3,907.36

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Solution

The fourth proportional to 6,687.52, 10,025.68 and 3,907.36 is: 5,857.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,687.52 : 10,025.68 = 3,907.36 : x
  2. Step 2: Convert to fraction form
    6,687.52/10,025.68 = 3,907.36/x
  3. Step 3: Cross multiply
    6,687.52x = 10,025.68 × 3,907.36
  4. Step 4: Simplify right side
    6,687.52x = 39,173,941.00
  5. Step 5: Solve for x
    x = 39,173,941.00/6,687.52
  6. Step 6: Final answer
    x = 5,857.77

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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.