Home / 6,629.27-9,146.52-4,272.77

Finding the Fourth Proportional to 6,629.27, 9,146.52 and 4,272.77

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Solution

The fourth proportional to 6,629.27, 9,146.52 and 4,272.77 is: 5,895.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,629.27 : 9,146.52 = 4,272.77 : x
  2. Step 2: Convert to fraction form
    6,629.27/9,146.52 = 4,272.77/x
  3. Step 3: Cross multiply
    6,629.27x = 9,146.52 × 4,272.77
  4. Step 4: Simplify right side
    6,629.27x = 39,080,999.13
  5. Step 5: Solve for x
    x = 39,080,999.13/6,629.27
  6. Step 6: Final answer
    x = 5,895.22

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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.