Home / 5,810.69-8,717.09-2,118.11

Finding the Fourth Proportional to 5,810.69, 8,717.09 and 2,118.11

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Solution

The fourth proportional to 5,810.69, 8,717.09 and 2,118.11 is: 3,177.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,810.69 : 8,717.09 = 2,118.11 : x
  2. Step 2: Convert to fraction form
    5,810.69/8,717.09 = 2,118.11/x
  3. Step 3: Cross multiply
    5,810.69x = 8,717.09 × 2,118.11
  4. Step 4: Simplify right side
    5,810.69x = 18,463,701.32
  5. Step 5: Solve for x
    x = 18,463,701.32/5,810.69
  6. Step 6: Final answer
    x = 3,177.54

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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.