Home / 7,821.43-10,793.51-4,236.31

Finding the Fourth Proportional to 7,821.43, 10,793.51 and 4,236.31

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Solution

The fourth proportional to 7,821.43, 10,793.51 and 4,236.31 is: 5,846.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,821.43 : 10,793.51 = 4,236.31 : x
  2. Step 2: Convert to fraction form
    7,821.43/10,793.51 = 4,236.31/x
  3. Step 3: Cross multiply
    7,821.43x = 10,793.51 × 4,236.31
  4. Step 4: Simplify right side
    7,821.43x = 45,724,625.80
  5. Step 5: Solve for x
    x = 45,724,625.80/7,821.43
  6. Step 6: Final answer
    x = 5,846.07

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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.