Home / 7,995.13-11,985.44-2,798.17

Finding the Fourth Proportional to 7,995.13, 11,985.44 and 2,798.17

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Solution

The fourth proportional to 7,995.13, 11,985.44 and 2,798.17 is: 4,194.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,995.13 : 11,985.44 = 2,798.17 : x
  2. Step 2: Convert to fraction form
    7,995.13/11,985.44 = 2,798.17/x
  3. Step 3: Cross multiply
    7,995.13x = 11,985.44 × 2,798.17
  4. Step 4: Simplify right side
    7,995.13x = 33,537,284.65
  5. Step 5: Solve for x
    x = 33,537,284.65/7,995.13
  6. Step 6: Final answer
    x = 4,194.71

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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.