Home / 4,389.48-6,048.72-3,190.38

Finding the Fourth Proportional to 4,389.48, 6,048.72 and 3,190.38

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Solution

The fourth proportional to 4,389.48, 6,048.72 and 3,190.38 is: 4,396.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,389.48 : 6,048.72 = 3,190.38 : x
  2. Step 2: Convert to fraction form
    4,389.48/6,048.72 = 3,190.38/x
  3. Step 3: Cross multiply
    4,389.48x = 6,048.72 × 3,190.38
  4. Step 4: Simplify right side
    4,389.48x = 19,297,715.31
  5. Step 5: Solve for x
    x = 19,297,715.31/4,389.48
  6. Step 6: Final answer
    x = 4,396.36

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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.