Home / 4,407.69-6,577.35-3,940.32

Finding the Fourth Proportional to 4,407.69, 6,577.35 and 3,940.32

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Solution

The fourth proportional to 4,407.69, 6,577.35 and 3,940.32 is: 5,879.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,407.69 : 6,577.35 = 3,940.32 : x
  2. Step 2: Convert to fraction form
    4,407.69/6,577.35 = 3,940.32/x
  3. Step 3: Cross multiply
    4,407.69x = 6,577.35 × 3,940.32
  4. Step 4: Simplify right side
    4,407.69x = 25,916,863.75
  5. Step 5: Solve for x
    x = 25,916,863.75/4,407.69
  6. Step 6: Final answer
    x = 5,879.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.