Home / 5,460.30-8,175.87-2,857.77

Finding the Fourth Proportional to 5,460.30, 8,175.87 and 2,857.77

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Solution

The fourth proportional to 5,460.30, 8,175.87 and 2,857.77 is: 4,279.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,460.30 : 8,175.87 = 2,857.77 : x
  2. Step 2: Convert to fraction form
    5,460.30/8,175.87 = 2,857.77/x
  3. Step 3: Cross multiply
    5,460.30x = 8,175.87 × 2,857.77
  4. Step 4: Simplify right side
    5,460.30x = 23,364,756.01
  5. Step 5: Solve for x
    x = 23,364,756.01/5,460.30
  6. Step 6: Final answer
    x = 4,279.02

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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.