Home / 4,984.42-7,476.56-1,286.62

Finding the Fourth Proportional to 4,984.42, 7,476.56 and 1,286.62

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Solution

The fourth proportional to 4,984.42, 7,476.56 and 1,286.62 is: 1,929.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984.42 : 7,476.56 = 1,286.62 : x
  2. Step 2: Convert to fraction form
    4,984.42/7,476.56 = 1,286.62/x
  3. Step 3: Cross multiply
    4,984.42x = 7,476.56 × 1,286.62
  4. Step 4: Simplify right side
    4,984.42x = 9,619,491.63
  5. Step 5: Solve for x
    x = 9,619,491.63/4,984.42
  6. Step 6: Final answer
    x = 1,929.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.