Home / 7,822.80-10,795.37-4,237.70

Finding the Fourth Proportional to 7,822.80, 10,795.37 and 4,237.70

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Solution

The fourth proportional to 7,822.80, 10,795.37 and 4,237.70 is: 5,847.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,822.80 : 10,795.37 = 4,237.70 : x
  2. Step 2: Convert to fraction form
    7,822.80/10,795.37 = 4,237.70/x
  3. Step 3: Cross multiply
    7,822.80x = 10,795.37 × 4,237.70
  4. Step 4: Simplify right side
    7,822.80x = 45,747,464.28
  5. Step 5: Solve for x
    x = 45,747,464.28/7,822.80
  6. Step 6: Final answer
    x = 5,847.97

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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.