Home / 5,310.88-7,954.20-2,539.51

Finding the Fourth Proportional to 5,310.88, 7,954.20 and 2,539.51

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Solution

The fourth proportional to 5,310.88, 7,954.20 and 2,539.51 is: 3,803.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310.88 : 7,954.20 = 2,539.51 : x
  2. Step 2: Convert to fraction form
    5,310.88/7,954.20 = 2,539.51/x
  3. Step 3: Cross multiply
    5,310.88x = 7,954.20 × 2,539.51
  4. Step 4: Simplify right side
    5,310.88x = 20,199,750.56
  5. Step 5: Solve for x
    x = 20,199,750.56/5,310.88
  6. Step 6: Final answer
    x = 3,803.47

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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.