Home / 7,190.38-10,783.44-3,239.36

Finding the Fourth Proportional to 7,190.38, 10,783.44 and 3,239.36

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Solution

The fourth proportional to 7,190.38, 10,783.44 and 3,239.36 is: 4,858.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190.38 : 10,783.44 = 3,239.36 : x
  2. Step 2: Convert to fraction form
    7,190.38/10,783.44 = 3,239.36/x
  3. Step 3: Cross multiply
    7,190.38x = 10,783.44 × 3,239.36
  4. Step 4: Simplify right side
    7,190.38x = 34,931,430.72
  5. Step 5: Solve for x
    x = 34,931,430.72/7,190.38
  6. Step 6: Final answer
    x = 4,858.08

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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.