Home / 4,194.46-6,292.49-1,420.39

Finding the Fourth Proportional to 4,194.46, 6,292.49 and 1,420.39

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Solution

The fourth proportional to 4,194.46, 6,292.49 and 1,420.39 is: 2,130.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,194.46 : 6,292.49 = 1,420.39 : x
  2. Step 2: Convert to fraction form
    4,194.46/6,292.49 = 1,420.39/x
  3. Step 3: Cross multiply
    4,194.46x = 6,292.49 × 1,420.39
  4. Step 4: Simplify right side
    4,194.46x = 8,937,755.24
  5. Step 5: Solve for x
    x = 8,937,755.24/4,194.46
  6. Step 6: Final answer
    x = 2,130.85

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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.