Home / 7,856.75-11,782.04-2,923.69

Finding the Fourth Proportional to 7,856.75, 11,782.04 and 2,923.69

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Solution

The fourth proportional to 7,856.75, 11,782.04 and 2,923.69 is: 4,384.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,856.75 : 11,782.04 = 2,923.69 : x
  2. Step 2: Convert to fraction form
    7,856.75/11,782.04 = 2,923.69/x
  3. Step 3: Cross multiply
    7,856.75x = 11,782.04 × 2,923.69
  4. Step 4: Simplify right side
    7,856.75x = 34,446,959.00
  5. Step 5: Solve for x
    x = 34,446,959.00/7,856.75
  6. Step 6: Final answer
    x = 4,384.38

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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.