Home / 6,486.46-8,951.91-5,071.42

Finding the Fourth Proportional to 6,486.46, 8,951.91 and 5,071.42

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Solution

The fourth proportional to 6,486.46, 8,951.91 and 5,071.42 is: 6,999.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,486.46 : 8,951.91 = 5,071.42 : x
  2. Step 2: Convert to fraction form
    6,486.46/8,951.91 = 5,071.42/x
  3. Step 3: Cross multiply
    6,486.46x = 8,951.91 × 5,071.42
  4. Step 4: Simplify right side
    6,486.46x = 45,398,895.41
  5. Step 5: Solve for x
    x = 45,398,895.41/6,486.46
  6. Step 6: Final answer
    x = 6,999.02

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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.