Home / 9,421.70-14,134.80-2,847.95

Finding the Fourth Proportional to 9,421.70, 14,134.80 and 2,847.95

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Solution

The fourth proportional to 9,421.70, 14,134.80 and 2,847.95 is: 4,272.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421.70 : 14,134.80 = 2,847.95 : x
  2. Step 2: Convert to fraction form
    9,421.70/14,134.80 = 2,847.95/x
  3. Step 3: Cross multiply
    9,421.70x = 14,134.80 × 2,847.95
  4. Step 4: Simplify right side
    9,421.70x = 40,255,203.66
  5. Step 5: Solve for x
    x = 40,255,203.66/9,421.70
  6. Step 6: Final answer
    x = 4,272.61

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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.