Home / 8,670.20-13,006.74-3,046.42

Finding the Fourth Proportional to 8,670.20, 13,006.74 and 3,046.42

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Solution

The fourth proportional to 8,670.20, 13,006.74 and 3,046.42 is: 4,570.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,670.20 : 13,006.74 = 3,046.42 : x
  2. Step 2: Convert to fraction form
    8,670.20/13,006.74 = 3,046.42/x
  3. Step 3: Cross multiply
    8,670.20x = 13,006.74 × 3,046.42
  4. Step 4: Simplify right side
    8,670.20x = 39,623,992.87
  5. Step 5: Solve for x
    x = 39,623,992.87/8,670.20
  6. Step 6: Final answer
    x = 4,570.14

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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.