Home / 8,080.78-12,103.57-4,951.26

Finding the Fourth Proportional to 8,080.78, 12,103.57 and 4,951.26

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Solution

The fourth proportional to 8,080.78, 12,103.57 and 4,951.26 is: 7,416.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.78 : 12,103.57 = 4,951.26 : x
  2. Step 2: Convert to fraction form
    8,080.78/12,103.57 = 4,951.26/x
  3. Step 3: Cross multiply
    8,080.78x = 12,103.57 × 4,951.26
  4. Step 4: Simplify right side
    8,080.78x = 59,927,922.00
  5. Step 5: Solve for x
    x = 59,927,922.00/8,080.78
  6. Step 6: Final answer
    x = 7,416.11

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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.