Home / 4,156.80-6,237.18-2,770.80

Finding the Fourth Proportional to 4,156.80, 6,237.18 and 2,770.80

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Solution

The fourth proportional to 4,156.80, 6,237.18 and 2,770.80 is: 4,157.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,156.80 : 6,237.18 = 2,770.80 : x
  2. Step 2: Convert to fraction form
    4,156.80/6,237.18 = 2,770.80/x
  3. Step 3: Cross multiply
    4,156.80x = 6,237.18 × 2,770.80
  4. Step 4: Simplify right side
    4,156.80x = 17,281,978.34
  5. Step 5: Solve for x
    x = 17,281,978.34/4,156.80
  6. Step 6: Final answer
    x = 4,157.52

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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.