Home / 4,983.58-6,876.39-3,119.50

Finding the Fourth Proportional to 4,983.58, 6,876.39 and 3,119.50

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Solution

The fourth proportional to 4,983.58, 6,876.39 and 3,119.50 is: 4,304.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,983.58 : 6,876.39 = 3,119.50 : x
  2. Step 2: Convert to fraction form
    4,983.58/6,876.39 = 3,119.50/x
  3. Step 3: Cross multiply
    4,983.58x = 6,876.39 × 3,119.50
  4. Step 4: Simplify right side
    4,983.58x = 21,450,898.61
  5. Step 5: Solve for x
    x = 21,450,898.61/4,983.58
  6. Step 6: Final answer
    x = 4,304.32

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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.