Home / 4,230.72-6,347.07-1,308.87

Finding the Fourth Proportional to 4,230.72, 6,347.07 and 1,308.87

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Solution

The fourth proportional to 4,230.72, 6,347.07 and 1,308.87 is: 1,963.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,230.72 : 6,347.07 = 1,308.87 : x
  2. Step 2: Convert to fraction form
    4,230.72/6,347.07 = 1,308.87/x
  3. Step 3: Cross multiply
    4,230.72x = 6,347.07 × 1,308.87
  4. Step 4: Simplify right side
    4,230.72x = 8,307,489.51
  5. Step 5: Solve for x
    x = 8,307,489.51/4,230.72
  6. Step 6: Final answer
    x = 1,963.61

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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.