Home / 4,905.88-6,770.18-2,810

Finding the Fourth Proportional to 4,905.88, 6,770.18 and 2,810

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Solution

The fourth proportional to 4,905.88, 6,770.18 and 2,810 is: 3,877.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.88 : 6,770.18 = 2,810 : x
  2. Step 2: Convert to fraction form
    4,905.88/6,770.18 = 2,810/x
  3. Step 3: Cross multiply
    4,905.88x = 6,770.18 × 2,810
  4. Step 4: Simplify right side
    4,905.88x = 19,024,191.75
  5. Step 5: Solve for x
    x = 19,024,191.75/4,905.88
  6. Step 6: Final answer
    x = 3,877.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.