Home / 4,193.83-6,291.33-1,272.34

Finding the Fourth Proportional to 4,193.83, 6,291.33 and 1,272.34

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Solution

The fourth proportional to 4,193.83, 6,291.33 and 1,272.34 is: 1,908.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,193.83 : 6,291.33 = 1,272.34 : x
  2. Step 2: Convert to fraction form
    4,193.83/6,291.33 = 1,272.34/x
  3. Step 3: Cross multiply
    4,193.83x = 6,291.33 × 1,272.34
  4. Step 4: Simplify right side
    4,193.83x = 8,004,710.81
  5. Step 5: Solve for x
    x = 8,004,710.81/4,193.83
  6. Step 6: Final answer
    x = 1,908.69

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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.