Home / 9,072.31-13,610.05-4,142.45

Finding the Fourth Proportional to 9,072.31, 13,610.05 and 4,142.45

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Solution

The fourth proportional to 9,072.31, 13,610.05 and 4,142.45 is: 6,214.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072.31 : 13,610.05 = 4,142.45 : x
  2. Step 2: Convert to fraction form
    9,072.31/13,610.05 = 4,142.45/x
  3. Step 3: Cross multiply
    9,072.31x = 13,610.05 × 4,142.45
  4. Step 4: Simplify right side
    9,072.31x = 56,378,883.57
  5. Step 5: Solve for x
    x = 56,378,883.57/9,072.31
  6. Step 6: Final answer
    x = 6,214.39

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1.5x scale

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.