Home / 8,999.18-13,499.76-3,457.28

Finding the Fourth Proportional to 8,999.18, 13,499.76 and 3,457.28

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Solution

The fourth proportional to 8,999.18, 13,499.76 and 3,457.28 is: 5,186.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999.18 : 13,499.76 = 3,457.28 : x
  2. Step 2: Convert to fraction form
    8,999.18/13,499.76 = 3,457.28/x
  3. Step 3: Cross multiply
    8,999.18x = 13,499.76 × 3,457.28
  4. Step 4: Simplify right side
    8,999.18x = 46,672,450.25
  5. Step 5: Solve for x
    x = 46,672,450.25/8,999.18
  6. Step 6: Final answer
    x = 5,186.30

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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.