Home / 7,112.42-10,668.68-4,662.75

Finding the Fourth Proportional to 7,112.42, 10,668.68 and 4,662.75

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Solution

The fourth proportional to 7,112.42, 10,668.68 and 4,662.75 is: 6,994.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112.42 : 10,668.68 = 4,662.75 : x
  2. Step 2: Convert to fraction form
    7,112.42/10,668.68 = 4,662.75/x
  3. Step 3: Cross multiply
    7,112.42x = 10,668.68 × 4,662.75
  4. Step 4: Simplify right side
    7,112.42x = 49,745,387.67
  5. Step 5: Solve for x
    x = 49,745,387.67/7,112.42
  6. Step 6: Final answer
    x = 6,994.16

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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.