Home / 7,219.40-10,830.24-3,059.42

Finding the Fourth Proportional to 7,219.40, 10,830.24 and 3,059.42

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Solution

The fourth proportional to 7,219.40, 10,830.24 and 3,059.42 is: 4,589.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.40 : 10,830.24 = 3,059.42 : x
  2. Step 2: Convert to fraction form
    7,219.40/10,830.24 = 3,059.42/x
  3. Step 3: Cross multiply
    7,219.40x = 10,830.24 × 3,059.42
  4. Step 4: Simplify right side
    7,219.40x = 33,134,252.86
  5. Step 5: Solve for x
    x = 33,134,252.86/7,219.40
  6. Step 6: Final answer
    x = 4,589.61

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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.