Home / 5,713.08-8,570.40-2,789.36

Finding the Fourth Proportional to 5,713.08, 8,570.40 and 2,789.36

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Solution

The fourth proportional to 5,713.08, 8,570.40 and 2,789.36 is: 4,184.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,713.08 : 8,570.40 = 2,789.36 : x
  2. Step 2: Convert to fraction form
    5,713.08/8,570.40 = 2,789.36/x
  3. Step 3: Cross multiply
    5,713.08x = 8,570.40 × 2,789.36
  4. Step 4: Simplify right side
    5,713.08x = 23,905,930.94
  5. Step 5: Solve for x
    x = 23,905,930.94/5,713.08
  6. Step 6: Final answer
    x = 4,184.42

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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.