Home / 8,208.13-12,312.19-2,052.13

Finding the Fourth Proportional to 8,208.13, 12,312.19 and 2,052.13

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Solution

The fourth proportional to 8,208.13, 12,312.19 and 2,052.13 is: 3,078.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,208.13 : 12,312.19 = 2,052.13 : x
  2. Step 2: Convert to fraction form
    8,208.13/12,312.19 = 2,052.13/x
  3. Step 3: Cross multiply
    8,208.13x = 12,312.19 × 2,052.13
  4. Step 4: Simplify right side
    8,208.13x = 25,266,147.77
  5. Step 5: Solve for x
    x = 25,266,147.77/8,208.13
  6. Step 6: Final answer
    x = 3,078.19

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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.