Home / 7,835.88-11,751.10-3,154.69

Finding the Fourth Proportional to 7,835.88, 11,751.10 and 3,154.69

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Solution

The fourth proportional to 7,835.88, 11,751.10 and 3,154.69 is: 4,730.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,835.88 : 11,751.10 = 3,154.69 : x
  2. Step 2: Convert to fraction form
    7,835.88/11,751.10 = 3,154.69/x
  3. Step 3: Cross multiply
    7,835.88x = 11,751.10 × 3,154.69
  4. Step 4: Simplify right side
    7,835.88x = 37,071,077.66
  5. Step 5: Solve for x
    x = 37,071,077.66/7,835.88
  6. Step 6: Final answer
    x = 4,730.94

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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.