Home / 9,405.72-14,109.71-2,830.95

Finding the Fourth Proportional to 9,405.72, 14,109.71 and 2,830.95

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Solution

The fourth proportional to 9,405.72, 14,109.71 and 2,830.95 is: 4,246.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,405.72 : 14,109.71 = 2,830.95 : x
  2. Step 2: Convert to fraction form
    9,405.72/14,109.71 = 2,830.95/x
  3. Step 3: Cross multiply
    9,405.72x = 14,109.71 × 2,830.95
  4. Step 4: Simplify right side
    9,405.72x = 39,943,869.37
  5. Step 5: Solve for x
    x = 39,943,869.37/9,405.72
  6. Step 6: Final answer
    x = 4,246.76

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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.