Home / 7,824.25-11,736.25-1,901.19

Finding the Fourth Proportional to 7,824.25, 11,736.25 and 1,901.19

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Solution

The fourth proportional to 7,824.25, 11,736.25 and 1,901.19 is: 2,851.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,824.25 : 11,736.25 = 1,901.19 : x
  2. Step 2: Convert to fraction form
    7,824.25/11,736.25 = 1,901.19/x
  3. Step 3: Cross multiply
    7,824.25x = 11,736.25 × 1,901.19
  4. Step 4: Simplify right side
    7,824.25x = 22,312,841.14
  5. Step 5: Solve for x
    x = 22,312,841.14/7,824.25
  6. Step 6: Final answer
    x = 2,851.75

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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.