Home / 8,104.35-12,155.45-2,260.47

Finding the Fourth Proportional to 8,104.35, 12,155.45 and 2,260.47

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Solution

The fourth proportional to 8,104.35, 12,155.45 and 2,260.47 is: 3,390.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,104.35 : 12,155.45 = 2,260.47 : x
  2. Step 2: Convert to fraction form
    8,104.35/12,155.45 = 2,260.47/x
  3. Step 3: Cross multiply
    8,104.35x = 12,155.45 × 2,260.47
  4. Step 4: Simplify right side
    8,104.35x = 27,477,018.76
  5. Step 5: Solve for x
    x = 27,477,018.76/8,104.35
  6. Step 6: Final answer
    x = 3,390.40

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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.