Home / 5,427.63-8,141.31-1,531.98

Finding the Fourth Proportional to 5,427.63, 8,141.31 and 1,531.98

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Solution

The fourth proportional to 5,427.63, 8,141.31 and 1,531.98 is: 2,297.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.63 : 8,141.31 = 1,531.98 : x
  2. Step 2: Convert to fraction form
    5,427.63/8,141.31 = 1,531.98/x
  3. Step 3: Cross multiply
    5,427.63x = 8,141.31 × 1,531.98
  4. Step 4: Simplify right side
    5,427.63x = 12,472,324.09
  5. Step 5: Solve for x
    x = 12,472,324.09/5,427.63
  6. Step 6: Final answer
    x = 2,297.93

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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.