Home / 7,040.80-10,548.40-5,735.20

Finding the Fourth Proportional to 7,040.80, 10,548.40 and 5,735.20

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Solution

The fourth proportional to 7,040.80, 10,548.40 and 5,735.20 is: 8,592.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,040.80 : 10,548.40 = 5,735.20 : x
  2. Step 2: Convert to fraction form
    7,040.80/10,548.40 = 5,735.20/x
  3. Step 3: Cross multiply
    7,040.80x = 10,548.40 × 5,735.20
  4. Step 4: Simplify right side
    7,040.80x = 60,497,183.68
  5. Step 5: Solve for x
    x = 60,497,183.68/7,040.80
  6. Step 6: Final answer
    x = 8,592.37

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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.