Home / 6,636.94-9,163.46-4,120.07

Finding the Fourth Proportional to 6,636.94, 9,163.46 and 4,120.07

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Solution

The fourth proportional to 6,636.94, 9,163.46 and 4,120.07 is: 5,688.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,636.94 : 9,163.46 = 4,120.07 : x
  2. Step 2: Convert to fraction form
    6,636.94/9,163.46 = 4,120.07/x
  3. Step 3: Cross multiply
    6,636.94x = 9,163.46 × 4,120.07
  4. Step 4: Simplify right side
    6,636.94x = 37,754,061.13
  5. Step 5: Solve for x
    x = 37,754,061.13/6,636.94
  6. Step 6: Final answer
    x = 5,688.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.