Home / 8,020.13-12,031.74-3,089.43

Finding the Fourth Proportional to 8,020.13, 12,031.74 and 3,089.43

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Solution

The fourth proportional to 8,020.13, 12,031.74 and 3,089.43 is: 4,634.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020.13 : 12,031.74 = 3,089.43 : x
  2. Step 2: Convert to fraction form
    8,020.13/12,031.74 = 3,089.43/x
  3. Step 3: Cross multiply
    8,020.13x = 12,031.74 × 3,089.43
  4. Step 4: Simplify right side
    8,020.13x = 37,171,218.51
  5. Step 5: Solve for x
    x = 37,171,218.51/8,020.13
  6. Step 6: Final answer
    x = 4,634.74

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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.