Home / 8,392.28-12,577.07-3,195.32

Finding the Fourth Proportional to 8,392.28, 12,577.07 and 3,195.32

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Solution

The fourth proportional to 8,392.28, 12,577.07 and 3,195.32 is: 4,788.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,392.28 : 12,577.07 = 3,195.32 : x
  2. Step 2: Convert to fraction form
    8,392.28/12,577.07 = 3,195.32/x
  3. Step 3: Cross multiply
    8,392.28x = 12,577.07 × 3,195.32
  4. Step 4: Simplify right side
    8,392.28x = 40,187,779.16
  5. Step 5: Solve for x
    x = 40,187,779.16/8,392.28
  6. Step 6: Final answer
    x = 4,788.66

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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.