Home / 4,839.24-7,261.49-1,919.60

Finding the Fourth Proportional to 4,839.24, 7,261.49 and 1,919.60

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Solution

The fourth proportional to 4,839.24, 7,261.49 and 1,919.60 is: 2,880.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839.24 : 7,261.49 = 1,919.60 : x
  2. Step 2: Convert to fraction form
    4,839.24/7,261.49 = 1,919.60/x
  3. Step 3: Cross multiply
    4,839.24x = 7,261.49 × 1,919.60
  4. Step 4: Simplify right side
    4,839.24x = 13,939,156.20
  5. Step 5: Solve for x
    x = 13,939,156.20/4,839.24
  6. Step 6: Final answer
    x = 2,880.44

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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.