Home / 8,021.59-12,029.65-3,090.82

Finding the Fourth Proportional to 8,021.59, 12,029.65 and 3,090.82

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Solution

The fourth proportional to 8,021.59, 12,029.65 and 3,090.82 is: 4,635.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.59 : 12,029.65 = 3,090.82 : x
  2. Step 2: Convert to fraction form
    8,021.59/12,029.65 = 3,090.82/x
  3. Step 3: Cross multiply
    8,021.59x = 12,029.65 × 3,090.82
  4. Step 4: Simplify right side
    8,021.59x = 37,181,482.81
  5. Step 5: Solve for x
    x = 37,181,482.81/8,021.59
  6. Step 6: Final answer
    x = 4,635.18

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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.