Home / 4,272.08-6,408.81-1,806.93

Finding the Fourth Proportional to 4,272.08, 6,408.81 and 1,806.93

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Solution

The fourth proportional to 4,272.08, 6,408.81 and 1,806.93 is: 2,710.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.08 : 6,408.81 = 1,806.93 : x
  2. Step 2: Convert to fraction form
    4,272.08/6,408.81 = 1,806.93/x
  3. Step 3: Cross multiply
    4,272.08x = 6,408.81 × 1,806.93
  4. Step 4: Simplify right side
    4,272.08x = 11,580,271.05
  5. Step 5: Solve for x
    x = 11,580,271.05/4,272.08
  6. Step 6: Final answer
    x = 2,710.69

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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.