Home / 7,219.50-10,829.55-2,289.03

Finding the Fourth Proportional to 7,219.50, 10,829.55 and 2,289.03

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Solution

The fourth proportional to 7,219.50, 10,829.55 and 2,289.03 is: 3,433.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.50 : 10,829.55 = 2,289.03 : x
  2. Step 2: Convert to fraction form
    7,219.50/10,829.55 = 2,289.03/x
  3. Step 3: Cross multiply
    7,219.50x = 10,829.55 × 2,289.03
  4. Step 4: Simplify right side
    7,219.50x = 24,789,164.84
  5. Step 5: Solve for x
    x = 24,789,164.84/7,219.50
  6. Step 6: Final answer
    x = 3,433.64

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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.