Home / 6,629.07-9,144.32-4,140.75

Finding the Fourth Proportional to 6,629.07, 9,144.32 and 4,140.75

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Solution

The fourth proportional to 6,629.07, 9,144.32 and 4,140.75 is: 5,711.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,629.07 : 9,144.32 = 4,140.75 : x
  2. Step 2: Convert to fraction form
    6,629.07/9,144.32 = 4,140.75/x
  3. Step 3: Cross multiply
    6,629.07x = 9,144.32 × 4,140.75
  4. Step 4: Simplify right side
    6,629.07x = 37,864,322.34
  5. Step 5: Solve for x
    x = 37,864,322.34/6,629.07
  6. Step 6: Final answer
    x = 5,711.86

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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.