Home / 4,292.49-6,438.80-1,826.70

Finding the Fourth Proportional to 4,292.49, 6,438.80 and 1,826.70

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Solution

The fourth proportional to 4,292.49, 6,438.80 and 1,826.70 is: 2,740.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,292.49 : 6,438.80 = 1,826.70 : x
  2. Step 2: Convert to fraction form
    4,292.49/6,438.80 = 1,826.70/x
  3. Step 3: Cross multiply
    4,292.49x = 6,438.80 × 1,826.70
  4. Step 4: Simplify right side
    4,292.49x = 11,761,755.96
  5. Step 5: Solve for x
    x = 11,761,755.96/4,292.49
  6. Step 6: Final answer
    x = 2,740.08

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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.