Home / 6,316.75-9,479.45-2,212.75

Finding the Fourth Proportional to 6,316.75, 9,479.45 and 2,212.75

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Solution

The fourth proportional to 6,316.75, 9,479.45 and 2,212.75 is: 3,320.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,316.75 : 9,479.45 = 2,212.75 : x
  2. Step 2: Convert to fraction form
    6,316.75/9,479.45 = 2,212.75/x
  3. Step 3: Cross multiply
    6,316.75x = 9,479.45 × 2,212.75
  4. Step 4: Simplify right side
    6,316.75x = 20,975,652.99
  5. Step 5: Solve for x
    x = 20,975,652.99/6,316.75
  6. Step 6: Final answer
    x = 3,320.64

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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.