Home / 7,240.98-10,862.31-2,560.02

Finding the Fourth Proportional to 7,240.98, 10,862.31 and 2,560.02

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Solution

The fourth proportional to 7,240.98, 10,862.31 and 2,560.02 is: 3,840.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240.98 : 10,862.31 = 2,560.02 : x
  2. Step 2: Convert to fraction form
    7,240.98/10,862.31 = 2,560.02/x
  3. Step 3: Cross multiply
    7,240.98x = 10,862.31 × 2,560.02
  4. Step 4: Simplify right side
    7,240.98x = 27,807,730.85
  5. Step 5: Solve for x
    x = 27,807,730.85/7,240.98
  6. Step 6: Final answer
    x = 3,840.33

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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.