Home / 5,655.90-8,485.20-1,760.34

Finding the Fourth Proportional to 5,655.90, 8,485.20 and 1,760.34

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Solution

The fourth proportional to 5,655.90, 8,485.20 and 1,760.34 is: 2,640.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655.90 : 8,485.20 = 1,760.34 : x
  2. Step 2: Convert to fraction form
    5,655.90/8,485.20 = 1,760.34/x
  3. Step 3: Cross multiply
    5,655.90x = 8,485.20 × 1,760.34
  4. Step 4: Simplify right side
    5,655.90x = 14,936,836.97
  5. Step 5: Solve for x
    x = 14,936,836.97/5,655.90
  6. Step 6: Final answer
    x = 2,640.93

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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.