Home / 7,821.34-10,793.30-4,284.54

Finding the Fourth Proportional to 7,821.34, 10,793.30 and 4,284.54

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Solution

The fourth proportional to 7,821.34, 10,793.30 and 4,284.54 is: 5,912.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,821.34 : 10,793.30 = 4,284.54 : x
  2. Step 2: Convert to fraction form
    7,821.34/10,793.30 = 4,284.54/x
  3. Step 3: Cross multiply
    7,821.34x = 10,793.30 × 4,284.54
  4. Step 4: Simplify right side
    7,821.34x = 46,244,325.58
  5. Step 5: Solve for x
    x = 46,244,325.58/7,821.34
  6. Step 6: Final answer
    x = 5,912.58

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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.