Home / 6,639.27-9,162.52-3,655.07

Finding the Fourth Proportional to 6,639.27, 9,162.52 and 3,655.07

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Solution

The fourth proportional to 6,639.27, 9,162.52 and 3,655.07 is: 5,044.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639.27 : 9,162.52 = 3,655.07 : x
  2. Step 2: Convert to fraction form
    6,639.27/9,162.52 = 3,655.07/x
  3. Step 3: Cross multiply
    6,639.27x = 9,162.52 × 3,655.07
  4. Step 4: Simplify right side
    6,639.27x = 33,489,651.98
  5. Step 5: Solve for x
    x = 33,489,651.98/6,639.27
  6. Step 6: Final answer
    x = 5,044.18

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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.