Home / 8,416.72-12,621.18-4,029.36

Finding the Fourth Proportional to 8,416.72, 12,621.18 and 4,029.36

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Solution

The fourth proportional to 8,416.72, 12,621.18 and 4,029.36 is: 6,042.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,416.72 : 12,621.18 = 4,029.36 : x
  2. Step 2: Convert to fraction form
    8,416.72/12,621.18 = 4,029.36/x
  3. Step 3: Cross multiply
    8,416.72x = 12,621.18 × 4,029.36
  4. Step 4: Simplify right side
    8,416.72x = 50,855,277.84
  5. Step 5: Solve for x
    x = 50,855,277.84/8,416.72
  6. Step 6: Final answer
    x = 6,042.17

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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.