Home / 4,083.19-6,124.80-1,121.68

Finding the Fourth Proportional to 4,083.19, 6,124.80 and 1,121.68

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Solution

The fourth proportional to 4,083.19, 6,124.80 and 1,121.68 is: 1,682.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,083.19 : 6,124.80 = 1,121.68 : x
  2. Step 2: Convert to fraction form
    4,083.19/6,124.80 = 1,121.68/x
  3. Step 3: Cross multiply
    4,083.19x = 6,124.80 × 1,121.68
  4. Step 4: Simplify right side
    4,083.19x = 6,870,036.76
  5. Step 5: Solve for x
    x = 6,870,036.76/4,083.19
  6. Step 6: Final answer
    x = 1,682.52

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1.5x scale

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.