Home / 9,056.80-13,585.65-3,213.86

Finding the Fourth Proportional to 9,056.80, 13,585.65 and 3,213.86

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Solution

The fourth proportional to 9,056.80, 13,585.65 and 3,213.86 is: 4,820.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,056.80 : 13,585.65 = 3,213.86 : x
  2. Step 2: Convert to fraction form
    9,056.80/13,585.65 = 3,213.86/x
  3. Step 3: Cross multiply
    9,056.80x = 13,585.65 × 3,213.86
  4. Step 4: Simplify right side
    9,056.80x = 43,662,377.11
  5. Step 5: Solve for x
    x = 43,662,377.11/9,056.80
  6. Step 6: Final answer
    x = 4,820.95

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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.