Home / 7,289.23-10,933.83-3,126.54

Finding the Fourth Proportional to 7,289.23, 10,933.83 and 3,126.54

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Solution

The fourth proportional to 7,289.23, 10,933.83 and 3,126.54 is: 4,689.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.23 : 10,933.83 = 3,126.54 : x
  2. Step 2: Convert to fraction form
    7,289.23/10,933.83 = 3,126.54/x
  3. Step 3: Cross multiply
    7,289.23x = 10,933.83 × 3,126.54
  4. Step 4: Simplify right side
    7,289.23x = 34,185,056.85
  5. Step 5: Solve for x
    x = 34,185,056.85/7,289.23
  6. Step 6: Final answer
    x = 4,689.80

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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.