Home / 9,731.80-14,601.30-3,158.20

Finding the Fourth Proportional to 9,731.80, 14,601.30 and 3,158.20

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Solution

The fourth proportional to 9,731.80, 14,601.30 and 3,158.20 is: 4,738.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,731.80 : 14,601.30 = 3,158.20 : x
  2. Step 2: Convert to fraction form
    9,731.80/14,601.30 = 3,158.20/x
  3. Step 3: Cross multiply
    9,731.80x = 14,601.30 × 3,158.20
  4. Step 4: Simplify right side
    9,731.80x = 46,113,825.66
  5. Step 5: Solve for x
    x = 46,113,825.66/9,731.80
  6. Step 6: Final answer
    x = 4,738.47

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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.