Home / 7,219.98-9,963.27-4,076.28

Finding the Fourth Proportional to 7,219.98, 9,963.27 and 4,076.28

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Solution

The fourth proportional to 7,219.98, 9,963.27 and 4,076.28 is: 5,625.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.98 : 9,963.27 = 4,076.28 : x
  2. Step 2: Convert to fraction form
    7,219.98/9,963.27 = 4,076.28/x
  3. Step 3: Cross multiply
    7,219.98x = 9,963.27 × 4,076.28
  4. Step 4: Simplify right side
    7,219.98x = 40,613,078.24
  5. Step 5: Solve for x
    x = 40,613,078.24/7,219.98
  6. Step 6: Final answer
    x = 5,625.10

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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.