Home / 8,389.38-12,583.80-4,009.98

Finding the Fourth Proportional to 8,389.38, 12,583.80 and 4,009.98

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Solution

The fourth proportional to 8,389.38, 12,583.80 and 4,009.98 is: 6,014.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389.38 : 12,583.80 = 4,009.98 : x
  2. Step 2: Convert to fraction form
    8,389.38/12,583.80 = 4,009.98/x
  3. Step 3: Cross multiply
    8,389.38x = 12,583.80 × 4,009.98
  4. Step 4: Simplify right side
    8,389.38x = 50,460,786.32
  5. Step 5: Solve for x
    x = 50,460,786.32/8,389.38
  6. Step 6: Final answer
    x = 6,014.84

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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.