Home / 8,021.95-12,036.12-3,090.26

Finding the Fourth Proportional to 8,021.95, 12,036.12 and 3,090.26

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Solution

The fourth proportional to 8,021.95, 12,036.12 and 3,090.26 is: 4,636.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.95 : 12,036.12 = 3,090.26 : x
  2. Step 2: Convert to fraction form
    8,021.95/12,036.12 = 3,090.26/x
  3. Step 3: Cross multiply
    8,021.95x = 12,036.12 × 3,090.26
  4. Step 4: Simplify right side
    8,021.95x = 37,194,740.19
  5. Step 5: Solve for x
    x = 37,194,740.19/8,021.95
  6. Step 6: Final answer
    x = 4,636.62

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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.