Home / 8,285.03-12,420.19-3,019.06

Finding the Fourth Proportional to 8,285.03, 12,420.19 and 3,019.06

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Solution

The fourth proportional to 8,285.03, 12,420.19 and 3,019.06 is: 4,525.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,285.03 : 12,420.19 = 3,019.06 : x
  2. Step 2: Convert to fraction form
    8,285.03/12,420.19 = 3,019.06/x
  3. Step 3: Cross multiply
    8,285.03x = 12,420.19 × 3,019.06
  4. Step 4: Simplify right side
    8,285.03x = 37,497,236.72
  5. Step 5: Solve for x
    x = 37,497,236.72/8,285.03
  6. Step 6: Final answer
    x = 4,525.91

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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.