Home / 8,419.48-12,629.25-2,576.07

Finding the Fourth Proportional to 8,419.48, 12,629.25 and 2,576.07

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Solution

The fourth proportional to 8,419.48, 12,629.25 and 2,576.07 is: 3,864.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,419.48 : 12,629.25 = 2,576.07 : x
  2. Step 2: Convert to fraction form
    8,419.48/12,629.25 = 2,576.07/x
  3. Step 3: Cross multiply
    8,419.48x = 12,629.25 × 2,576.07
  4. Step 4: Simplify right side
    8,419.48x = 32,533,832.05
  5. Step 5: Solve for x
    x = 32,533,832.05/8,419.48
  6. Step 6: Final answer
    x = 3,864.12

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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.