Home / 9,786.75-14,678.29-4,521.54

Finding the Fourth Proportional to 9,786.75, 14,678.29 and 4,521.54

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Solution

The fourth proportional to 9,786.75, 14,678.29 and 4,521.54 is: 6,781.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,786.75 : 14,678.29 = 4,521.54 : x
  2. Step 2: Convert to fraction form
    9,786.75/14,678.29 = 4,521.54/x
  3. Step 3: Cross multiply
    9,786.75x = 14,678.29 × 4,521.54
  4. Step 4: Simplify right side
    9,786.75x = 66,368,475.37
  5. Step 5: Solve for x
    x = 66,368,475.37/9,786.75
  6. Step 6: Final answer
    x = 6,781.46

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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.