Home / 8,459.36-12,691.94-3,782.60

Finding the Fourth Proportional to 8,459.36, 12,691.94 and 3,782.60

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Solution

The fourth proportional to 8,459.36, 12,691.94 and 3,782.60 is: 5,675.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,459.36 : 12,691.94 = 3,782.60 : x
  2. Step 2: Convert to fraction form
    8,459.36/12,691.94 = 3,782.60/x
  3. Step 3: Cross multiply
    8,459.36x = 12,691.94 × 3,782.60
  4. Step 4: Simplify right side
    8,459.36x = 48,008,518.74
  5. Step 5: Solve for x
    x = 48,008,518.74/8,459.36
  6. Step 6: Final answer
    x = 5,675.19

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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.