Home / 5,309.07-7,326.60-2,919.14

Finding the Fourth Proportional to 5,309.07, 7,326.60 and 2,919.14

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Solution

The fourth proportional to 5,309.07, 7,326.60 and 2,919.14 is: 4,028.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,309.07 : 7,326.60 = 2,919.14 : x
  2. Step 2: Convert to fraction form
    5,309.07/7,326.60 = 2,919.14/x
  3. Step 3: Cross multiply
    5,309.07x = 7,326.60 × 2,919.14
  4. Step 4: Simplify right side
    5,309.07x = 21,387,371.12
  5. Step 5: Solve for x
    x = 21,387,371.12/5,309.07
  6. Step 6: Final answer
    x = 4,028.46

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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.