Home / 5,160.31-7,741.47-2,041.78

Finding the Fourth Proportional to 5,160.31, 7,741.47 and 2,041.78

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Solution

The fourth proportional to 5,160.31, 7,741.47 and 2,041.78 is: 3,063.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160.31 : 7,741.47 = 2,041.78 : x
  2. Step 2: Convert to fraction form
    5,160.31/7,741.47 = 2,041.78/x
  3. Step 3: Cross multiply
    5,160.31x = 7,741.47 × 2,041.78
  4. Step 4: Simplify right side
    5,160.31x = 15,806,378.62
  5. Step 5: Solve for x
    x = 15,806,378.62/5,160.31
  6. Step 6: Final answer
    x = 3,063.07

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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.