Home / 6,783.89-9,358.34-4,229.55

Finding the Fourth Proportional to 6,783.89, 9,358.34 and 4,229.55

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Solution

The fourth proportional to 6,783.89, 9,358.34 and 4,229.55 is: 5,834.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,783.89 : 9,358.34 = 4,229.55 : x
  2. Step 2: Convert to fraction form
    6,783.89/9,358.34 = 4,229.55/x
  3. Step 3: Cross multiply
    6,783.89x = 9,358.34 × 4,229.55
  4. Step 4: Simplify right side
    6,783.89x = 39,581,545.80
  5. Step 5: Solve for x
    x = 39,581,545.80/6,783.89
  6. Step 6: Final answer
    x = 5,834.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.