Home / 7,319.97-10,976.31-2,389.01

Finding the Fourth Proportional to 7,319.97, 10,976.31 and 2,389.01

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Solution

The fourth proportional to 7,319.97, 10,976.31 and 2,389.01 is: 3,582.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,319.97 : 10,976.31 = 2,389.01 : x
  2. Step 2: Convert to fraction form
    7,319.97/10,976.31 = 2,389.01/x
  3. Step 3: Cross multiply
    7,319.97x = 10,976.31 × 2,389.01
  4. Step 4: Simplify right side
    7,319.97x = 26,222,459.47
  5. Step 5: Solve for x
    x = 26,222,459.47/7,319.97
  6. Step 6: Final answer
    x = 3,582.32

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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.