Home / 4,255.12-6,383.49-1,332.64

Finding the Fourth Proportional to 4,255.12, 6,383.49 and 1,332.64

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Solution

The fourth proportional to 4,255.12, 6,383.49 and 1,332.64 is: 1,999.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.12 : 6,383.49 = 1,332.64 : x
  2. Step 2: Convert to fraction form
    4,255.12/6,383.49 = 1,332.64/x
  3. Step 3: Cross multiply
    4,255.12x = 6,383.49 × 1,332.64
  4. Step 4: Simplify right side
    4,255.12x = 8,506,894.11
  5. Step 5: Solve for x
    x = 8,506,894.11/4,255.12
  6. Step 6: Final answer
    x = 1,999.21

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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.