Home / 5,160.64-7,741.26-2,040.40

Finding the Fourth Proportional to 5,160.64, 7,741.26 and 2,040.40

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Solution

The fourth proportional to 5,160.64, 7,741.26 and 2,040.40 is: 3,060.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160.64 : 7,741.26 = 2,040.40 : x
  2. Step 2: Convert to fraction form
    5,160.64/7,741.26 = 2,040.40/x
  3. Step 3: Cross multiply
    5,160.64x = 7,741.26 × 2,040.40
  4. Step 4: Simplify right side
    5,160.64x = 15,795,266.90
  5. Step 5: Solve for x
    x = 15,795,266.90/5,160.64
  6. Step 6: Final answer
    x = 3,060.72

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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.