Home / 7,423.44-10,243.92-4,065.60

Finding the Fourth Proportional to 7,423.44, 10,243.92 and 4,065.60

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Solution

The fourth proportional to 7,423.44, 10,243.92 and 4,065.60 is: 5,610.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.44 : 10,243.92 = 4,065.60 : x
  2. Step 2: Convert to fraction form
    7,423.44/10,243.92 = 4,065.60/x
  3. Step 3: Cross multiply
    7,423.44x = 10,243.92 × 4,065.60
  4. Step 4: Simplify right side
    7,423.44x = 41,647,681.15
  5. Step 5: Solve for x
    x = 41,647,681.15/7,423.44
  6. Step 6: Final answer
    x = 5,610.29

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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.