Home / 5,375.45-8,056.99-2,085.76

Finding the Fourth Proportional to 5,375.45, 8,056.99 and 2,085.76

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Solution

The fourth proportional to 5,375.45, 8,056.99 and 2,085.76 is: 3,126.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.45 : 8,056.99 = 2,085.76 : x
  2. Step 2: Convert to fraction form
    5,375.45/8,056.99 = 2,085.76/x
  3. Step 3: Cross multiply
    5,375.45x = 8,056.99 × 2,085.76
  4. Step 4: Simplify right side
    5,375.45x = 16,804,937.03
  5. Step 5: Solve for x
    x = 16,804,937.03/5,375.45
  6. Step 6: Final answer
    x = 3,126.24

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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.