Home / 7,147.77-10,722.69-2,217.81

Finding the Fourth Proportional to 7,147.77, 10,722.69 and 2,217.81

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Solution

The fourth proportional to 7,147.77, 10,722.69 and 2,217.81 is: 3,327.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,147.77 : 10,722.69 = 2,217.81 : x
  2. Step 2: Convert to fraction form
    7,147.77/10,722.69 = 2,217.81/x
  3. Step 3: Cross multiply
    7,147.77x = 10,722.69 × 2,217.81
  4. Step 4: Simplify right side
    7,147.77x = 23,780,889.11
  5. Step 5: Solve for x
    x = 23,780,889.11/7,147.77
  6. Step 6: Final answer
    x = 3,327.04

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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.