Home / 7,412.90-11,119.37-6,019.62

Finding the Fourth Proportional to 7,412.90, 11,119.37 and 6,019.62

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Solution

The fourth proportional to 7,412.90, 11,119.37 and 6,019.62 is: 9,029.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.90 : 11,119.37 = 6,019.62 : x
  2. Step 2: Convert to fraction form
    7,412.90/11,119.37 = 6,019.62/x
  3. Step 3: Cross multiply
    7,412.90x = 11,119.37 × 6,019.62
  4. Step 4: Simplify right side
    7,412.90x = 66,934,351.94
  5. Step 5: Solve for x
    x = 66,934,351.94/7,412.90
  6. Step 6: Final answer
    x = 9,029.45

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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.