Home / 7,845.75-10,827.03-4,308.90

Finding the Fourth Proportional to 7,845.75, 10,827.03 and 4,308.90

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Solution

The fourth proportional to 7,845.75, 10,827.03 and 4,308.90 is: 5,946.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.75 : 10,827.03 = 4,308.90 : x
  2. Step 2: Convert to fraction form
    7,845.75/10,827.03 = 4,308.90/x
  3. Step 3: Cross multiply
    7,845.75x = 10,827.03 × 4,308.90
  4. Step 4: Simplify right side
    7,845.75x = 46,652,589.57
  5. Step 5: Solve for x
    x = 46,652,589.57/7,845.75
  6. Step 6: Final answer
    x = 5,946.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.