Home / 4,490.69-6,199.37-3,480.12

Finding the Fourth Proportional to 4,490.69, 6,199.37 and 3,480.12

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Solution

The fourth proportional to 4,490.69, 6,199.37 and 3,480.12 is: 4,804.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,490.69 : 6,199.37 = 3,480.12 : x
  2. Step 2: Convert to fraction form
    4,490.69/6,199.37 = 3,480.12/x
  3. Step 3: Cross multiply
    4,490.69x = 6,199.37 × 3,480.12
  4. Step 4: Simplify right side
    4,490.69x = 21,574,534.12
  5. Step 5: Solve for x
    x = 21,574,534.12/4,490.69
  6. Step 6: Final answer
    x = 4,804.29

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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.