Home / 4,106.49-6,161.78-1,643.07

Finding the Fourth Proportional to 4,106.49, 6,161.78 and 1,643.07

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Solution

The fourth proportional to 4,106.49, 6,161.78 and 1,643.07 is: 2,465.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,106.49 : 6,161.78 = 1,643.07 : x
  2. Step 2: Convert to fraction form
    4,106.49/6,161.78 = 1,643.07/x
  3. Step 3: Cross multiply
    4,106.49x = 6,161.78 × 1,643.07
  4. Step 4: Simplify right side
    4,106.49x = 10,124,235.86
  5. Step 5: Solve for x
    x = 10,124,235.86/4,106.49
  6. Step 6: Final answer
    x = 2,465.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.