Home / 8,408.65-12,600.01-4,501.21

Finding the Fourth Proportional to 8,408.65, 12,600.01 and 4,501.21

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Solution

The fourth proportional to 8,408.65, 12,600.01 and 4,501.21 is: 6,744.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,408.65 : 12,600.01 = 4,501.21 : x
  2. Step 2: Convert to fraction form
    8,408.65/12,600.01 = 4,501.21/x
  3. Step 3: Cross multiply
    8,408.65x = 12,600.01 × 4,501.21
  4. Step 4: Simplify right side
    8,408.65x = 56,715,291.01
  5. Step 5: Solve for x
    x = 56,715,291.01/8,408.65
  6. Step 6: Final answer
    x = 6,744.87

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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.