Home / 7,241.31-10,862.87-2,560.37

Finding the Fourth Proportional to 7,241.31, 10,862.87 and 2,560.37

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Solution

The fourth proportional to 7,241.31, 10,862.87 and 2,560.37 is: 3,840.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,241.31 : 10,862.87 = 2,560.37 : x
  2. Step 2: Convert to fraction form
    7,241.31/10,862.87 = 2,560.37/x
  3. Step 3: Cross multiply
    7,241.31x = 10,862.87 × 2,560.37
  4. Step 4: Simplify right side
    7,241.31x = 27,812,899.35
  5. Step 5: Solve for x
    x = 27,812,899.35/7,241.31
  6. Step 6: Final answer
    x = 3,840.87

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1.5x scale

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.