Home / 4,619.39-6,929.09-2,154.95

Finding the Fourth Proportional to 4,619.39, 6,929.09 and 2,154.95

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Solution

The fourth proportional to 4,619.39, 6,929.09 and 2,154.95 is: 3,232.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,619.39 : 6,929.09 = 2,154.95 : x
  2. Step 2: Convert to fraction form
    4,619.39/6,929.09 = 2,154.95/x
  3. Step 3: Cross multiply
    4,619.39x = 6,929.09 × 2,154.95
  4. Step 4: Simplify right side
    4,619.39x = 14,931,797.08
  5. Step 5: Solve for x
    x = 14,931,797.08/4,619.39
  6. Step 6: Final answer
    x = 3,232.42

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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.