Home / 8,285.06-12,427.86-3,354.86

Finding the Fourth Proportional to 8,285.06, 12,427.86 and 3,354.86

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Solution

The fourth proportional to 8,285.06, 12,427.86 and 3,354.86 is: 5,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,285.06 : 12,427.86 = 3,354.86 : x
  2. Step 2: Convert to fraction form
    8,285.06/12,427.86 = 3,354.86/x
  3. Step 3: Cross multiply
    8,285.06x = 12,427.86 × 3,354.86
  4. Step 4: Simplify right side
    8,285.06x = 41,693,730.40
  5. Step 5: Solve for x
    x = 41,693,730.40/8,285.06
  6. Step 6: Final answer
    x = 5,032.40

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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.