Home / 9,760.30-14,640.39-3,186.49

Finding the Fourth Proportional to 9,760.30, 14,640.39 and 3,186.49

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Solution

The fourth proportional to 9,760.30, 14,640.39 and 3,186.49 is: 4,779.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,760.30 : 14,640.39 = 3,186.49 : x
  2. Step 2: Convert to fraction form
    9,760.30/14,640.39 = 3,186.49/x
  3. Step 3: Cross multiply
    9,760.30x = 14,640.39 × 3,186.49
  4. Step 4: Simplify right side
    9,760.30x = 46,651,456.33
  5. Step 5: Solve for x
    x = 46,651,456.33/9,760.30
  6. Step 6: Final answer
    x = 4,779.72

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1.5x scale

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.