Home / 7,836.88-10,815.06-4,300.09

Finding the Fourth Proportional to 7,836.88, 10,815.06 and 4,300.09

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Solution

The fourth proportional to 7,836.88, 10,815.06 and 4,300.09 is: 5,934.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836.88 : 10,815.06 = 4,300.09 : x
  2. Step 2: Convert to fraction form
    7,836.88/10,815.06 = 4,300.09/x
  3. Step 3: Cross multiply
    7,836.88x = 10,815.06 × 4,300.09
  4. Step 4: Simplify right side
    7,836.88x = 46,505,731.36
  5. Step 5: Solve for x
    x = 46,505,731.36/7,836.88
  6. Step 6: Final answer
    x = 5,934.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.