Home / 7,191.45-10,783.44-2,259.81

Finding the Fourth Proportional to 7,191.45, 10,783.44 and 2,259.81

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Solution

The fourth proportional to 7,191.45, 10,783.44 and 2,259.81 is: 3,388.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191.45 : 10,783.44 = 2,259.81 : x
  2. Step 2: Convert to fraction form
    7,191.45/10,783.44 = 2,259.81/x
  3. Step 3: Cross multiply
    7,191.45x = 10,783.44 × 2,259.81
  4. Step 4: Simplify right side
    7,191.45x = 24,368,525.55
  5. Step 5: Solve for x
    x = 24,368,525.55/7,191.45
  6. Step 6: Final answer
    x = 3,388.54

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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.