Home / 8,931.06-13,399.19-3,999.54

Finding the Fourth Proportional to 8,931.06, 13,399.19 and 3,999.54

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Solution

The fourth proportional to 8,931.06, 13,399.19 and 3,999.54 is: 6,000.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931.06 : 13,399.19 = 3,999.54 : x
  2. Step 2: Convert to fraction form
    8,931.06/13,399.19 = 3,999.54/x
  3. Step 3: Cross multiply
    8,931.06x = 13,399.19 × 3,999.54
  4. Step 4: Simplify right side
    8,931.06x = 53,590,596.37
  5. Step 5: Solve for x
    x = 53,590,596.37/8,931.06
  6. Step 6: Final answer
    x = 6,000.47

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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.