Home / 8,430.52-12,638.04-3,235.36

Finding the Fourth Proportional to 8,430.52, 12,638.04 and 3,235.36

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Solution

The fourth proportional to 8,430.52, 12,638.04 and 3,235.36 is: 4,850.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,430.52 : 12,638.04 = 3,235.36 : x
  2. Step 2: Convert to fraction form
    8,430.52/12,638.04 = 3,235.36/x
  3. Step 3: Cross multiply
    8,430.52x = 12,638.04 × 3,235.36
  4. Step 4: Simplify right side
    8,430.52x = 40,888,609.09
  5. Step 5: Solve for x
    x = 40,888,609.09/8,430.52
  6. Step 6: Final answer
    x = 4,850.07

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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.