Home / 8,808.08-12,155.53-5,270.61

Finding the Fourth Proportional to 8,808.08, 12,155.53 and 5,270.61

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Solution

The fourth proportional to 8,808.08, 12,155.53 and 5,270.61 is: 7,273.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808.08 : 12,155.53 = 5,270.61 : x
  2. Step 2: Convert to fraction form
    8,808.08/12,155.53 = 5,270.61/x
  3. Step 3: Cross multiply
    8,808.08x = 12,155.53 × 5,270.61
  4. Step 4: Simplify right side
    8,808.08x = 64,067,057.97
  5. Step 5: Solve for x
    x = 64,067,057.97/8,808.08
  6. Step 6: Final answer
    x = 7,273.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.