Home / 7,857.48-11,786.40-2,014.14

Finding the Fourth Proportional to 7,857.48, 11,786.40 and 2,014.14

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Solution

The fourth proportional to 7,857.48, 11,786.40 and 2,014.14 is: 3,021.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,857.48 : 11,786.40 = 2,014.14 : x
  2. Step 2: Convert to fraction form
    7,857.48/11,786.40 = 2,014.14/x
  3. Step 3: Cross multiply
    7,857.48x = 11,786.40 × 2,014.14
  4. Step 4: Simplify right side
    7,857.48x = 23,739,459.70
  5. Step 5: Solve for x
    x = 23,739,459.70/7,857.48
  6. Step 6: Final answer
    x = 3,021.26

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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.