Home / 5,451.32-8,170.48-3,798.92

Finding the Fourth Proportional to 5,451.32, 8,170.48 and 3,798.92

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Solution

The fourth proportional to 5,451.32, 8,170.48 and 3,798.92 is: 5,693.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.32 : 8,170.48 = 3,798.92 : x
  2. Step 2: Convert to fraction form
    5,451.32/8,170.48 = 3,798.92/x
  3. Step 3: Cross multiply
    5,451.32x = 8,170.48 × 3,798.92
  4. Step 4: Simplify right side
    5,451.32x = 31,038,999.88
  5. Step 5: Solve for x
    x = 31,038,999.88/5,451.32
  6. Step 6: Final answer
    x = 5,693.85

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Double scale
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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.