Home / 7,384.05-11,078.33-4,425.79

Finding the Fourth Proportional to 7,384.05, 11,078.33 and 4,425.79

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Solution

The fourth proportional to 7,384.05, 11,078.33 and 4,425.79 is: 6,640.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,384.05 : 11,078.33 = 4,425.79 : x
  2. Step 2: Convert to fraction form
    7,384.05/11,078.33 = 4,425.79/x
  3. Step 3: Cross multiply
    7,384.05x = 11,078.33 × 4,425.79
  4. Step 4: Simplify right side
    7,384.05x = 49,030,364.20
  5. Step 5: Solve for x
    x = 49,030,364.20/7,384.05
  6. Step 6: Final answer
    x = 6,640.04

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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.