Home / 7,827.59-11,725.71-4,705.91

Finding the Fourth Proportional to 7,827.59, 11,725.71 and 4,705.91

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Solution

The fourth proportional to 7,827.59, 11,725.71 and 4,705.91 is: 7,049.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827.59 : 11,725.71 = 4,705.91 : x
  2. Step 2: Convert to fraction form
    7,827.59/11,725.71 = 4,705.91/x
  3. Step 3: Cross multiply
    7,827.59x = 11,725.71 × 4,705.91
  4. Step 4: Simplify right side
    7,827.59x = 55,180,077.32
  5. Step 5: Solve for x
    x = 55,180,077.32/7,827.59
  6. Step 6: Final answer
    x = 7,049.44

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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.