Home / 4,121.58-6,184.40-1,929.93

Finding the Fourth Proportional to 4,121.58, 6,184.40 and 1,929.93

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Solution

The fourth proportional to 4,121.58, 6,184.40 and 1,929.93 is: 2,895.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.58 : 6,184.40 = 1,929.93 : x
  2. Step 2: Convert to fraction form
    4,121.58/6,184.40 = 1,929.93/x
  3. Step 3: Cross multiply
    4,121.58x = 6,184.40 × 1,929.93
  4. Step 4: Simplify right side
    4,121.58x = 11,935,459.09
  5. Step 5: Solve for x
    x = 11,935,459.09/4,121.58
  6. Step 6: Final answer
    x = 2,895.85

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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.