Home / 4,880.27-7,320.36-2,108.90

Finding the Fourth Proportional to 4,880.27, 7,320.36 and 2,108.90

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Solution

The fourth proportional to 4,880.27, 7,320.36 and 2,108.90 is: 3,163.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,880.27 : 7,320.36 = 2,108.90 : x
  2. Step 2: Convert to fraction form
    4,880.27/7,320.36 = 2,108.90/x
  3. Step 3: Cross multiply
    4,880.27x = 7,320.36 × 2,108.90
  4. Step 4: Simplify right side
    4,880.27x = 15,437,907.20
  5. Step 5: Solve for x
    x = 15,437,907.20/4,880.27
  6. Step 6: Final answer
    x = 3,163.33

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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.