Home / 6,129.36-9,181.08-5,086.89

Finding the Fourth Proportional to 6,129.36, 9,181.08 and 5,086.89

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Solution

The fourth proportional to 6,129.36, 9,181.08 and 5,086.89 is: 7,619.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129.36 : 9,181.08 = 5,086.89 : x
  2. Step 2: Convert to fraction form
    6,129.36/9,181.08 = 5,086.89/x
  3. Step 3: Cross multiply
    6,129.36x = 9,181.08 × 5,086.89
  4. Step 4: Simplify right side
    6,129.36x = 46,703,144.04
  5. Step 5: Solve for x
    x = 46,703,144.04/6,129.36
  6. Step 6: Final answer
    x = 7,619.58

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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.