Home / 6,101.42-9,148.85-1,940.30

Finding the Fourth Proportional to 6,101.42, 9,148.85 and 1,940.30

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Solution

The fourth proportional to 6,101.42, 9,148.85 and 1,940.30 is: 2,909.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,101.42 : 9,148.85 = 1,940.30 : x
  2. Step 2: Convert to fraction form
    6,101.42/9,148.85 = 1,940.30/x
  3. Step 3: Cross multiply
    6,101.42x = 9,148.85 × 1,940.30
  4. Step 4: Simplify right side
    6,101.42x = 17,751,513.66
  5. Step 5: Solve for x
    x = 17,751,513.66/6,101.42
  6. Step 6: Final answer
    x = 2,909.41

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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.