Home / 7,929.13-11,893.23-2,382.35

Finding the Fourth Proportional to 7,929.13, 11,893.23 and 2,382.35

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Solution

The fourth proportional to 7,929.13, 11,893.23 and 2,382.35 is: 3,573.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.13 : 11,893.23 = 2,382.35 : x
  2. Step 2: Convert to fraction form
    7,929.13/11,893.23 = 2,382.35/x
  3. Step 3: Cross multiply
    7,929.13x = 11,893.23 × 2,382.35
  4. Step 4: Simplify right side
    7,929.13x = 28,333,836.49
  5. Step 5: Solve for x
    x = 28,333,836.49/7,929.13
  6. Step 6: Final answer
    x = 3,573.39

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1.5x scale

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.