Home / 7,814.36-11,719.80-2,266.46

Finding the Fourth Proportional to 7,814.36, 11,719.80 and 2,266.46

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Solution

The fourth proportional to 7,814.36, 11,719.80 and 2,266.46 is: 3,399.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,814.36 : 11,719.80 = 2,266.46 : x
  2. Step 2: Convert to fraction form
    7,814.36/11,719.80 = 2,266.46/x
  3. Step 3: Cross multiply
    7,814.36x = 11,719.80 × 2,266.46
  4. Step 4: Simplify right side
    7,814.36x = 26,562,457.91
  5. Step 5: Solve for x
    x = 26,562,457.91/7,814.36
  6. Step 6: Final answer
    x = 3,399.19

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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.