Home / 4,230.69-6,345.77-1,308.75

Finding the Fourth Proportional to 4,230.69, 6,345.77 and 1,308.75

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Solution

The fourth proportional to 4,230.69, 6,345.77 and 1,308.75 is: 1,963.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,230.69 : 6,345.77 = 1,308.75 : x
  2. Step 2: Convert to fraction form
    4,230.69/6,345.77 = 1,308.75/x
  3. Step 3: Cross multiply
    4,230.69x = 6,345.77 × 1,308.75
  4. Step 4: Simplify right side
    4,230.69x = 8,305,019.94
  5. Step 5: Solve for x
    x = 8,305,019.94/4,230.69
  6. Step 6: Final answer
    x = 1,963.04

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1.5x scale

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.