Home / 4,280.37-5,907.32-2,687.28

Finding the Fourth Proportional to 4,280.37, 5,907.32 and 2,687.28

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Solution

The fourth proportional to 4,280.37, 5,907.32 and 2,687.28 is: 3,708.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280.37 : 5,907.32 = 2,687.28 : x
  2. Step 2: Convert to fraction form
    4,280.37/5,907.32 = 2,687.28/x
  3. Step 3: Cross multiply
    4,280.37x = 5,907.32 × 2,687.28
  4. Step 4: Simplify right side
    4,280.37x = 15,874,622.89
  5. Step 5: Solve for x
    x = 15,874,622.89/4,280.37
  6. Step 6: Final answer
    x = 3,708.70

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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.