Home / 8,723.70-13,090.93-3,457.82

Finding the Fourth Proportional to 8,723.70, 13,090.93 and 3,457.82

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Solution

The fourth proportional to 8,723.70, 13,090.93 and 3,457.82 is: 5,188.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.70 : 13,090.93 = 3,457.82 : x
  2. Step 2: Convert to fraction form
    8,723.70/13,090.93 = 3,457.82/x
  3. Step 3: Cross multiply
    8,723.70x = 13,090.93 × 3,457.82
  4. Step 4: Simplify right side
    8,723.70x = 45,266,103.66
  5. Step 5: Solve for x
    x = 45,266,103.66/8,723.70
  6. Step 6: Final answer
    x = 5,188.87

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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.