Home / 7,025.55-10,539.78-2,865.57

Finding the Fourth Proportional to 7,025.55, 10,539.78 and 2,865.57

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Solution

The fourth proportional to 7,025.55, 10,539.78 and 2,865.57 is: 4,298.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,025.55 : 10,539.78 = 2,865.57 : x
  2. Step 2: Convert to fraction form
    7,025.55/10,539.78 = 2,865.57/x
  3. Step 3: Cross multiply
    7,025.55x = 10,539.78 × 2,865.57
  4. Step 4: Simplify right side
    7,025.55x = 30,202,477.37
  5. Step 5: Solve for x
    x = 30,202,477.37/7,025.55
  6. Step 6: Final answer
    x = 4,298.95

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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.