Home / 8,155.18-12,233.45-2,609.32

Finding the Fourth Proportional to 8,155.18, 12,233.45 and 2,609.32

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Solution

The fourth proportional to 8,155.18, 12,233.45 and 2,609.32 is: 3,914.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155.18 : 12,233.45 = 2,609.32 : x
  2. Step 2: Convert to fraction form
    8,155.18/12,233.45 = 2,609.32/x
  3. Step 3: Cross multiply
    8,155.18x = 12,233.45 × 2,609.32
  4. Step 4: Simplify right side
    8,155.18x = 31,920,911.54
  5. Step 5: Solve for x
    x = 31,920,911.54/8,155.18
  6. Step 6: Final answer
    x = 3,914.19

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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.