Home / 4,548.22-6,822.32-1,428.47

Finding the Fourth Proportional to 4,548.22, 6,822.32 and 1,428.47

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Solution

The fourth proportional to 4,548.22, 6,822.32 and 1,428.47 is: 2,142.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,548.22 : 6,822.32 = 1,428.47 : x
  2. Step 2: Convert to fraction form
    4,548.22/6,822.32 = 1,428.47/x
  3. Step 3: Cross multiply
    4,548.22x = 6,822.32 × 1,428.47
  4. Step 4: Simplify right side
    4,548.22x = 9,745,445.34
  5. Step 5: Solve for x
    x = 9,745,445.34/4,548.22
  6. Step 6: Final answer
    x = 2,142.70

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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.