Home / 8,706.36-13,042.26-5,619

Finding the Fourth Proportional to 8,706.36, 13,042.26 and 5,619

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Solution

The fourth proportional to 8,706.36, 13,042.26 and 5,619 is: 8,417.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,706.36 : 13,042.26 = 5,619 : x
  2. Step 2: Convert to fraction form
    8,706.36/13,042.26 = 5,619/x
  3. Step 3: Cross multiply
    8,706.36x = 13,042.26 × 5,619
  4. Step 4: Simplify right side
    8,706.36x = 73,284,458.94
  5. Step 5: Solve for x
    x = 73,284,458.94/8,706.36
  6. Step 6: Final answer
    x = 8,417.35

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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.