Home / 6,141.33-8,454.87-5,145.03

Finding the Fourth Proportional to 6,141.33, 8,454.87 and 5,145.03

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Solution

The fourth proportional to 6,141.33, 8,454.87 and 5,145.03 is: 7,083.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,141.33 : 8,454.87 = 5,145.03 : x
  2. Step 2: Convert to fraction form
    6,141.33/8,454.87 = 5,145.03/x
  3. Step 3: Cross multiply
    6,141.33x = 8,454.87 × 5,145.03
  4. Step 4: Simplify right side
    6,141.33x = 43,500,559.80
  5. Step 5: Solve for x
    x = 43,500,559.80/6,141.33
  6. Step 6: Final answer
    x = 7,083.25

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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.