Home / 4,218.76-6,328.49-1,755.19

Finding the Fourth Proportional to 4,218.76, 6,328.49 and 1,755.19

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Solution

The fourth proportional to 4,218.76, 6,328.49 and 1,755.19 is: 2,632.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.76 : 6,328.49 = 1,755.19 : x
  2. Step 2: Convert to fraction form
    4,218.76/6,328.49 = 1,755.19/x
  3. Step 3: Cross multiply
    4,218.76x = 6,328.49 × 1,755.19
  4. Step 4: Simplify right side
    4,218.76x = 11,107,702.36
  5. Step 5: Solve for x
    x = 11,107,702.36/4,218.76
  6. Step 6: Final answer
    x = 2,632.93

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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.