Home / 5,630.65-8,440.30-2,707.36

Finding the Fourth Proportional to 5,630.65, 8,440.30 and 2,707.36

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Solution

The fourth proportional to 5,630.65, 8,440.30 and 2,707.36 is: 4,058.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,630.65 : 8,440.30 = 2,707.36 : x
  2. Step 2: Convert to fraction form
    5,630.65/8,440.30 = 2,707.36/x
  3. Step 3: Cross multiply
    5,630.65x = 8,440.30 × 2,707.36
  4. Step 4: Simplify right side
    5,630.65x = 22,850,912.89
  5. Step 5: Solve for x
    x = 22,850,912.89/5,630.65
  6. Step 6: Final answer
    x = 4,058.31

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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.