Home / 8,084.10-12,138.30-6,237.30

Finding the Fourth Proportional to 8,084.10, 12,138.30 and 6,237.30

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Solution

The fourth proportional to 8,084.10, 12,138.30 and 6,237.30 is: 9,365.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,084.10 : 12,138.30 = 6,237.30 : x
  2. Step 2: Convert to fraction form
    8,084.10/12,138.30 = 6,237.30/x
  3. Step 3: Cross multiply
    8,084.10x = 12,138.30 × 6,237.30
  4. Step 4: Simplify right side
    8,084.10x = 75,710,218.59
  5. Step 5: Solve for x
    x = 75,710,218.59/8,084.10
  6. Step 6: Final answer
    x = 9,365.32

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1.5x scale

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.