Home / 8,606.28-12,906.84-3,058.90

Finding the Fourth Proportional to 8,606.28, 12,906.84 and 3,058.90

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Solution

The fourth proportional to 8,606.28, 12,906.84 and 3,058.90 is: 4,587.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,606.28 : 12,906.84 = 3,058.90 : x
  2. Step 2: Convert to fraction form
    8,606.28/12,906.84 = 3,058.90/x
  3. Step 3: Cross multiply
    8,606.28x = 12,906.84 × 3,058.90
  4. Step 4: Simplify right side
    8,606.28x = 39,480,653.05
  5. Step 5: Solve for x
    x = 39,480,653.05/8,606.28
  6. Step 6: Final answer
    x = 4,587.42

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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.