Home / 7,265.37-10,025.78-4,078.43

Finding the Fourth Proportional to 7,265.37, 10,025.78 and 4,078.43

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Solution

The fourth proportional to 7,265.37, 10,025.78 and 4,078.43 is: 5,627.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,265.37 : 10,025.78 = 4,078.43 : x
  2. Step 2: Convert to fraction form
    7,265.37/10,025.78 = 4,078.43/x
  3. Step 3: Cross multiply
    7,265.37x = 10,025.78 × 4,078.43
  4. Step 4: Simplify right side
    7,265.37x = 40,889,371.40
  5. Step 5: Solve for x
    x = 40,889,371.40/7,265.37
  6. Step 6: Final answer
    x = 5,627.98

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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.