Home / 8,156.58-12,235.32-2,609.48

Finding the Fourth Proportional to 8,156.58, 12,235.32 and 2,609.48

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Solution

The fourth proportional to 8,156.58, 12,235.32 and 2,609.48 is: 3,914.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156.58 : 12,235.32 = 2,609.48 : x
  2. Step 2: Convert to fraction form
    8,156.58/12,235.32 = 2,609.48/x
  3. Step 3: Cross multiply
    8,156.58x = 12,235.32 × 2,609.48
  4. Step 4: Simplify right side
    8,156.58x = 31,927,822.83
  5. Step 5: Solve for x
    x = 31,927,822.83/8,156.58
  6. Step 6: Final answer
    x = 3,914.36

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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.