Home / 4,140.94-6,187.75-3,148.30

Finding the Fourth Proportional to 4,140.94, 6,187.75 and 3,148.30

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Solution

The fourth proportional to 4,140.94, 6,187.75 and 3,148.30 is: 4,704.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.94 : 6,187.75 = 3,148.30 : x
  2. Step 2: Convert to fraction form
    4,140.94/6,187.75 = 3,148.30/x
  3. Step 3: Cross multiply
    4,140.94x = 6,187.75 × 3,148.30
  4. Step 4: Simplify right side
    4,140.94x = 19,480,893.33
  5. Step 5: Solve for x
    x = 19,480,893.33/4,140.94
  6. Step 6: Final answer
    x = 4,704.46

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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.