Home / 8,428.59-12,646.53-3,233.25

Finding the Fourth Proportional to 8,428.59, 12,646.53 and 3,233.25

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Solution

The fourth proportional to 8,428.59, 12,646.53 and 3,233.25 is: 4,851.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428.59 : 12,646.53 = 3,233.25 : x
  2. Step 2: Convert to fraction form
    8,428.59/12,646.53 = 3,233.25/x
  3. Step 3: Cross multiply
    8,428.59x = 12,646.53 × 3,233.25
  4. Step 4: Simplify right side
    8,428.59x = 40,889,393.12
  5. Step 5: Solve for x
    x = 40,889,393.12/8,428.59
  6. Step 6: Final answer
    x = 4,851.27

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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.