Home / 4,619.32-6,375.64-2,940.39

Finding the Fourth Proportional to 4,619.32, 6,375.64 and 2,940.39

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Solution

The fourth proportional to 4,619.32, 6,375.64 and 2,940.39 is: 4,058.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,619.32 : 6,375.64 = 2,940.39 : x
  2. Step 2: Convert to fraction form
    4,619.32/6,375.64 = 2,940.39/x
  3. Step 3: Cross multiply
    4,619.32x = 6,375.64 × 2,940.39
  4. Step 4: Simplify right side
    4,619.32x = 18,746,868.10
  5. Step 5: Solve for x
    x = 18,746,868.10/4,619.32
  6. Step 6: Final answer
    x = 4,058.36

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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.