Home / 9,412.50-14,118.75-3,256.50

Finding the Fourth Proportional to 9,412.50, 14,118.75 and 3,256.50

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Solution

The fourth proportional to 9,412.50, 14,118.75 and 3,256.50 is: 4,884.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,412.50 : 14,118.75 = 3,256.50 : x
  2. Step 2: Convert to fraction form
    9,412.50/14,118.75 = 3,256.50/x
  3. Step 3: Cross multiply
    9,412.50x = 14,118.75 × 3,256.50
  4. Step 4: Simplify right side
    9,412.50x = 45,977,709.38
  5. Step 5: Solve for x
    x = 45,977,709.38/9,412.50
  6. Step 6: Final answer
    x = 4,884.75

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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.