Home / 4,890.15-7,335.74-1,427.41

Finding the Fourth Proportional to 4,890.15, 7,335.74 and 1,427.41

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Solution

The fourth proportional to 4,890.15, 7,335.74 and 1,427.41 is: 2,141.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.15 : 7,335.74 = 1,427.41 : x
  2. Step 2: Convert to fraction form
    4,890.15/7,335.74 = 1,427.41/x
  3. Step 3: Cross multiply
    4,890.15x = 7,335.74 × 1,427.41
  4. Step 4: Simplify right side
    4,890.15x = 10,471,108.63
  5. Step 5: Solve for x
    x = 10,471,108.63/4,890.15
  6. Step 6: Final answer
    x = 2,141.27

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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.