Home / 7,959.36-10,983.59-4,422.79

Finding the Fourth Proportional to 7,959.36, 10,983.59 and 4,422.79

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Solution

The fourth proportional to 7,959.36, 10,983.59 and 4,422.79 is: 6,103.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,959.36 : 10,983.59 = 4,422.79 : x
  2. Step 2: Convert to fraction form
    7,959.36/10,983.59 = 4,422.79/x
  3. Step 3: Cross multiply
    7,959.36x = 10,983.59 × 4,422.79
  4. Step 4: Simplify right side
    7,959.36x = 48,578,089.90
  5. Step 5: Solve for x
    x = 48,578,089.90/7,959.36
  6. Step 6: Final answer
    x = 6,103.27

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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.