Home / 5,610.30-8,412.99-1,911.51

Finding the Fourth Proportional to 5,610.30, 8,412.99 and 1,911.51

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Solution

The fourth proportional to 5,610.30, 8,412.99 and 1,911.51 is: 2,866.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,610.30 : 8,412.99 = 1,911.51 : x
  2. Step 2: Convert to fraction form
    5,610.30/8,412.99 = 1,911.51/x
  3. Step 3: Cross multiply
    5,610.30x = 8,412.99 × 1,911.51
  4. Step 4: Simplify right side
    5,610.30x = 16,081,514.51
  5. Step 5: Solve for x
    x = 16,081,514.51/5,610.30
  6. Step 6: Final answer
    x = 2,866.43

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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.