Home / 4,986.04-7,479.34-2,212.06

Finding the Fourth Proportional to 4,986.04, 7,479.34 and 2,212.06

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Solution

The fourth proportional to 4,986.04, 7,479.34 and 2,212.06 is: 3,318.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.04 : 7,479.34 = 2,212.06 : x
  2. Step 2: Convert to fraction form
    4,986.04/7,479.34 = 2,212.06/x
  3. Step 3: Cross multiply
    4,986.04x = 7,479.34 × 2,212.06
  4. Step 4: Simplify right side
    4,986.04x = 16,544,748.84
  5. Step 5: Solve for x
    x = 16,544,748.84/4,986.04
  6. Step 6: Final answer
    x = 3,318.21

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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.