Home / 8,455.09-12,684.23-2,610.33

Finding the Fourth Proportional to 8,455.09, 12,684.23 and 2,610.33

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Solution

The fourth proportional to 8,455.09, 12,684.23 and 2,610.33 is: 3,915.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,455.09 : 12,684.23 = 2,610.33 : x
  2. Step 2: Convert to fraction form
    8,455.09/12,684.23 = 2,610.33/x
  3. Step 3: Cross multiply
    8,455.09x = 12,684.23 × 2,610.33
  4. Step 4: Simplify right side
    8,455.09x = 33,110,013.04
  5. Step 5: Solve for x
    x = 33,110,013.04/8,455.09
  6. Step 6: Final answer
    x = 3,915.99

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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.