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Finding the Fourth Proportional to 8,030.63, 12,040.88 and 3,871.68

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Solution

The fourth proportional to 8,030.63, 12,040.88 and 3,871.68 is: 5,805.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,030.63 : 12,040.88 = 3,871.68 : x
  2. Step 2: Convert to fraction form
    8,030.63/12,040.88 = 3,871.68/x
  3. Step 3: Cross multiply
    8,030.63x = 12,040.88 × 3,871.68
  4. Step 4: Simplify right side
    8,030.63x = 46,618,414.92
  5. Step 5: Solve for x
    x = 46,618,414.92/8,030.63
  6. Step 6: Final answer
    x = 5,805.08

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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.