Home / 6,142.35-9,204.80-4,731.43

Finding the Fourth Proportional to 6,142.35, 9,204.80 and 4,731.43

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Solution

The fourth proportional to 6,142.35, 9,204.80 and 4,731.43 is: 7,090.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,142.35 : 9,204.80 = 4,731.43 : x
  2. Step 2: Convert to fraction form
    6,142.35/9,204.80 = 4,731.43/x
  3. Step 3: Cross multiply
    6,142.35x = 9,204.80 × 4,731.43
  4. Step 4: Simplify right side
    6,142.35x = 43,551,866.86
  5. Step 5: Solve for x
    x = 43,551,866.86/6,142.35
  6. Step 6: Final answer
    x = 7,090.42

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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.