Home / 8,518.03-12,777.10-2,971.35

Finding the Fourth Proportional to 8,518.03, 12,777.10 and 2,971.35

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Solution

The fourth proportional to 8,518.03, 12,777.10 and 2,971.35 is: 4,457.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518.03 : 12,777.10 = 2,971.35 : x
  2. Step 2: Convert to fraction form
    8,518.03/12,777.10 = 2,971.35/x
  3. Step 3: Cross multiply
    8,518.03x = 12,777.10 × 2,971.35
  4. Step 4: Simplify right side
    8,518.03x = 37,965,236.09
  5. Step 5: Solve for x
    x = 37,965,236.09/8,518.03
  6. Step 6: Final answer
    x = 4,457.04

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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.