Home / 6,628.68-9,146.39-3,757.42

Finding the Fourth Proportional to 6,628.68, 9,146.39 and 3,757.42

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Solution

The fourth proportional to 6,628.68, 9,146.39 and 3,757.42 is: 5,184.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,628.68 : 9,146.39 = 3,757.42 : x
  2. Step 2: Convert to fraction form
    6,628.68/9,146.39 = 3,757.42/x
  3. Step 3: Cross multiply
    6,628.68x = 9,146.39 × 3,757.42
  4. Step 4: Simplify right side
    6,628.68x = 34,366,828.71
  5. Step 5: Solve for x
    x = 34,366,828.71/6,628.68
  6. Step 6: Final answer
    x = 5,184.57

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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.