Home / 7,821.28-10,793.37-4,284.46

Finding the Fourth Proportional to 7,821.28, 10,793.37 and 4,284.46

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Solution

The fourth proportional to 7,821.28, 10,793.37 and 4,284.46 is: 5,912.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,821.28 : 10,793.37 = 4,284.46 : x
  2. Step 2: Convert to fraction form
    7,821.28/10,793.37 = 4,284.46/x
  3. Step 3: Cross multiply
    7,821.28x = 10,793.37 × 4,284.46
  4. Step 4: Simplify right side
    7,821.28x = 46,243,762.03
  5. Step 5: Solve for x
    x = 46,243,762.03/7,821.28
  6. Step 6: Final answer
    x = 5,912.56

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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.