Home / 6,869.52-10,289.90-4,391.73

Finding the Fourth Proportional to 6,869.52, 10,289.90 and 4,391.73

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Solution

The fourth proportional to 6,869.52, 10,289.90 and 4,391.73 is: 6,578.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,869.52 : 10,289.90 = 4,391.73 : x
  2. Step 2: Convert to fraction form
    6,869.52/10,289.90 = 4,391.73/x
  3. Step 3: Cross multiply
    6,869.52x = 10,289.90 × 4,391.73
  4. Step 4: Simplify right side
    6,869.52x = 45,190,440.57
  5. Step 5: Solve for x
    x = 45,190,440.57/6,869.52
  6. Step 6: Final answer
    x = 6,578.40

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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.