Home / 7,386.64-11,080.02-2,192.51

Finding the Fourth Proportional to 7,386.64, 11,080.02 and 2,192.51

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Solution

The fourth proportional to 7,386.64, 11,080.02 and 2,192.51 is: 3,288.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386.64 : 11,080.02 = 2,192.51 : x
  2. Step 2: Convert to fraction form
    7,386.64/11,080.02 = 2,192.51/x
  3. Step 3: Cross multiply
    7,386.64x = 11,080.02 × 2,192.51
  4. Step 4: Simplify right side
    7,386.64x = 24,293,054.65
  5. Step 5: Solve for x
    x = 24,293,054.65/7,386.64
  6. Step 6: Final answer
    x = 3,288.78

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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.