Home / 8,155.58-12,233.32-2,312.19

Finding the Fourth Proportional to 8,155.58, 12,233.32 and 2,312.19

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Solution

The fourth proportional to 8,155.58, 12,233.32 and 2,312.19 is: 3,468.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155.58 : 12,233.32 = 2,312.19 : x
  2. Step 2: Convert to fraction form
    8,155.58/12,233.32 = 2,312.19/x
  3. Step 3: Cross multiply
    8,155.58x = 12,233.32 × 2,312.19
  4. Step 4: Simplify right side
    8,155.58x = 28,285,760.17
  5. Step 5: Solve for x
    x = 28,285,760.17/8,155.58
  6. Step 6: Final answer
    x = 3,468.27

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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.