Home / 8,301.80-12,454.06-3,108.08

Finding the Fourth Proportional to 8,301.80, 12,454.06 and 3,108.08

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Solution

The fourth proportional to 8,301.80, 12,454.06 and 3,108.08 is: 4,662.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,301.80 : 12,454.06 = 3,108.08 : x
  2. Step 2: Convert to fraction form
    8,301.80/12,454.06 = 3,108.08/x
  3. Step 3: Cross multiply
    8,301.80x = 12,454.06 × 3,108.08
  4. Step 4: Simplify right side
    8,301.80x = 38,708,214.80
  5. Step 5: Solve for x
    x = 38,708,214.80/8,301.80
  6. Step 6: Final answer
    x = 4,662.63

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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.