Home / 4,677.89-7,015.43-3,854.12

Finding the Fourth Proportional to 4,677.89, 7,015.43 and 3,854.12

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Solution

The fourth proportional to 4,677.89, 7,015.43 and 3,854.12 is: 5,780.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,677.89 : 7,015.43 = 3,854.12 : x
  2. Step 2: Convert to fraction form
    4,677.89/7,015.43 = 3,854.12/x
  3. Step 3: Cross multiply
    4,677.89x = 7,015.43 × 3,854.12
  4. Step 4: Simplify right side
    4,677.89x = 27,038,283.63
  5. Step 5: Solve for x
    x = 27,038,283.63/4,677.89
  6. Step 6: Final answer
    x = 5,780.02

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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.