Home / 4,218.47-6,327.67-1,296.70

Finding the Fourth Proportional to 4,218.47, 6,327.67 and 1,296.70

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Solution

The fourth proportional to 4,218.47, 6,327.67 and 1,296.70 is: 1,945.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.47 : 6,327.67 = 1,296.70 : x
  2. Step 2: Convert to fraction form
    4,218.47/6,327.67 = 1,296.70/x
  3. Step 3: Cross multiply
    4,218.47x = 6,327.67 × 1,296.70
  4. Step 4: Simplify right side
    4,218.47x = 8,205,089.69
  5. Step 5: Solve for x
    x = 8,205,089.69/4,218.47
  6. Step 6: Final answer
    x = 1,945.04

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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.