Home / 8,829.06-13,223.43-4,215.30

Finding the Fourth Proportional to 8,829.06, 13,223.43 and 4,215.30

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Solution

The fourth proportional to 8,829.06, 13,223.43 and 4,215.30 is: 6,313.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,829.06 : 13,223.43 = 4,215.30 : x
  2. Step 2: Convert to fraction form
    8,829.06/13,223.43 = 4,215.30/x
  3. Step 3: Cross multiply
    8,829.06x = 13,223.43 × 4,215.30
  4. Step 4: Simplify right side
    8,829.06x = 55,740,724.48
  5. Step 5: Solve for x
    x = 55,740,724.48/8,829.06
  6. Step 6: Final answer
    x = 6,313.32

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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.