Home / 4,218.10-6,328.36-1,296.84

Finding the Fourth Proportional to 4,218.10, 6,328.36 and 1,296.84

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Solution

The fourth proportional to 4,218.10, 6,328.36 and 1,296.84 is: 1,945.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.10 : 6,328.36 = 1,296.84 : x
  2. Step 2: Convert to fraction form
    4,218.10/6,328.36 = 1,296.84/x
  3. Step 3: Cross multiply
    4,218.10x = 6,328.36 × 1,296.84
  4. Step 4: Simplify right side
    4,218.10x = 8,206,870.38
  5. Step 5: Solve for x
    x = 8,206,870.38/4,218.10
  6. Step 6: Final answer
    x = 1,945.63

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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.