Home / 5,440.31-8,156.47-1,740.41

Finding the Fourth Proportional to 5,440.31, 8,156.47 and 1,740.41

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Solution

The fourth proportional to 5,440.31, 8,156.47 and 1,740.41 is: 2,609.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.31 : 8,156.47 = 1,740.41 : x
  2. Step 2: Convert to fraction form
    5,440.31/8,156.47 = 1,740.41/x
  3. Step 3: Cross multiply
    5,440.31x = 8,156.47 × 1,740.41
  4. Step 4: Simplify right side
    5,440.31x = 14,195,601.95
  5. Step 5: Solve for x
    x = 14,195,601.95/5,440.31
  6. Step 6: Final answer
    x = 2,609.34

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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.