Home / 7,190.98-10,783.43-2,259.29

Finding the Fourth Proportional to 7,190.98, 10,783.43 and 2,259.29

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Solution

The fourth proportional to 7,190.98, 10,783.43 and 2,259.29 is: 3,387.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190.98 : 10,783.43 = 2,259.29 : x
  2. Step 2: Convert to fraction form
    7,190.98/10,783.43 = 2,259.29/x
  3. Step 3: Cross multiply
    7,190.98x = 10,783.43 × 2,259.29
  4. Step 4: Simplify right side
    7,190.98x = 24,362,884.27
  5. Step 5: Solve for x
    x = 24,362,884.27/7,190.98
  6. Step 6: Final answer
    x = 3,387.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.