Home / 5,381.45-8,057.14-2,907.41

Finding the Fourth Proportional to 5,381.45, 8,057.14 and 2,907.41

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Solution

The fourth proportional to 5,381.45, 8,057.14 and 2,907.41 is: 4,352.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381.45 : 8,057.14 = 2,907.41 : x
  2. Step 2: Convert to fraction form
    5,381.45/8,057.14 = 2,907.41/x
  3. Step 3: Cross multiply
    5,381.45x = 8,057.14 × 2,907.41
  4. Step 4: Simplify right side
    5,381.45x = 23,425,422.28
  5. Step 5: Solve for x
    x = 23,425,422.28/5,381.45
  6. Step 6: Final answer
    x = 4,352.99

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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.