Home / 4,625.88-6,938.62-1,853.80

Finding the Fourth Proportional to 4,625.88, 6,938.62 and 1,853.80

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Solution

The fourth proportional to 4,625.88, 6,938.62 and 1,853.80 is: 2,780.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,625.88 : 6,938.62 = 1,853.80 : x
  2. Step 2: Convert to fraction form
    4,625.88/6,938.62 = 1,853.80/x
  3. Step 3: Cross multiply
    4,625.88x = 6,938.62 × 1,853.80
  4. Step 4: Simplify right side
    4,625.88x = 12,862,813.76
  5. Step 5: Solve for x
    x = 12,862,813.76/4,625.88
  6. Step 6: Final answer
    x = 2,780.62

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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.