Home / 4,069.28-5,615.61-2,206.28

Finding the Fourth Proportional to 4,069.28, 5,615.61 and 2,206.28

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Solution

The fourth proportional to 4,069.28, 5,615.61 and 2,206.28 is: 3,044.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,069.28 : 5,615.61 = 2,206.28 : x
  2. Step 2: Convert to fraction form
    4,069.28/5,615.61 = 2,206.28/x
  3. Step 3: Cross multiply
    4,069.28x = 5,615.61 × 2,206.28
  4. Step 4: Simplify right side
    4,069.28x = 12,389,608.03
  5. Step 5: Solve for x
    x = 12,389,608.03/4,069.28
  6. Step 6: Final answer
    x = 3,044.67

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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.