Home / 4,077.28-6,114.40-1,611.28

Finding the Fourth Proportional to 4,077.28, 6,114.40 and 1,611.28

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Solution

The fourth proportional to 4,077.28, 6,114.40 and 1,611.28 is: 2,416.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.28 : 6,114.40 = 1,611.28 : x
  2. Step 2: Convert to fraction form
    4,077.28/6,114.40 = 1,611.28/x
  3. Step 3: Cross multiply
    4,077.28x = 6,114.40 × 1,611.28
  4. Step 4: Simplify right side
    4,077.28x = 9,852,010.43
  5. Step 5: Solve for x
    x = 9,852,010.43/4,077.28
  6. Step 6: Final answer
    x = 2,416.32

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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.