Home / 8,125.19-12,172.23-4,828.26

Finding the Fourth Proportional to 8,125.19, 12,172.23 and 4,828.26

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Solution

The fourth proportional to 8,125.19, 12,172.23 and 4,828.26 is: 7,233.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.19 : 12,172.23 = 4,828.26 : x
  2. Step 2: Convert to fraction form
    8,125.19/12,172.23 = 4,828.26/x
  3. Step 3: Cross multiply
    8,125.19x = 12,172.23 × 4,828.26
  4. Step 4: Simplify right side
    8,125.19x = 58,770,691.22
  5. Step 5: Solve for x
    x = 58,770,691.22/8,125.19
  6. Step 6: Final answer
    x = 7,233.15

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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.