Home / 8,285.78-12,433.53-3,092.06

Finding the Fourth Proportional to 8,285.78, 12,433.53 and 3,092.06

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Solution

The fourth proportional to 8,285.78, 12,433.53 and 3,092.06 is: 4,639.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,285.78 : 12,433.53 = 3,092.06 : x
  2. Step 2: Convert to fraction form
    8,285.78/12,433.53 = 3,092.06/x
  3. Step 3: Cross multiply
    8,285.78x = 12,433.53 × 3,092.06
  4. Step 4: Simplify right side
    8,285.78x = 38,445,220.77
  5. Step 5: Solve for x
    x = 38,445,220.77/8,285.78
  6. Step 6: Final answer
    x = 4,639.90

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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.