Home / 8,285.21-12,423.53-2,441.05

Finding the Fourth Proportional to 8,285.21, 12,423.53 and 2,441.05

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Solution

The fourth proportional to 8,285.21, 12,423.53 and 2,441.05 is: 3,660.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,285.21 : 12,423.53 = 2,441.05 : x
  2. Step 2: Convert to fraction form
    8,285.21/12,423.53 = 2,441.05/x
  3. Step 3: Cross multiply
    8,285.21x = 12,423.53 × 2,441.05
  4. Step 4: Simplify right side
    8,285.21x = 30,326,445.70
  5. Step 5: Solve for x
    x = 30,326,445.70/8,285.21
  6. Step 6: Final answer
    x = 3,660.31

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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.