Home / 5,040.78-7,561.18-1,342.82

Finding the Fourth Proportional to 5,040.78, 7,561.18 and 1,342.82

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Solution

The fourth proportional to 5,040.78, 7,561.18 and 1,342.82 is: 2,014.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040.78 : 7,561.18 = 1,342.82 : x
  2. Step 2: Convert to fraction form
    5,040.78/7,561.18 = 1,342.82/x
  3. Step 3: Cross multiply
    5,040.78x = 7,561.18 × 1,342.82
  4. Step 4: Simplify right side
    5,040.78x = 10,153,303.73
  5. Step 5: Solve for x
    x = 10,153,303.73/5,040.78
  6. Step 6: Final answer
    x = 2,014.23

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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.