Home / 7,858.99-11,790.51-2,312.52

Finding the Fourth Proportional to 7,858.99, 11,790.51 and 2,312.52

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Solution

The fourth proportional to 7,858.99, 11,790.51 and 2,312.52 is: 3,469.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,858.99 : 11,790.51 = 2,312.52 : x
  2. Step 2: Convert to fraction form
    7,858.99/11,790.51 = 2,312.52/x
  3. Step 3: Cross multiply
    7,858.99x = 11,790.51 × 2,312.52
  4. Step 4: Simplify right side
    7,858.99x = 27,265,790.19
  5. Step 5: Solve for x
    x = 27,265,790.19/7,858.99
  6. Step 6: Final answer
    x = 3,469.38

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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.