Home / 5,453.01-8,175.74-2,857.77

Finding the Fourth Proportional to 5,453.01, 8,175.74 and 2,857.77

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Solution

The fourth proportional to 5,453.01, 8,175.74 and 2,857.77 is: 4,284.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.01 : 8,175.74 = 2,857.77 : x
  2. Step 2: Convert to fraction form
    5,453.01/8,175.74 = 2,857.77/x
  3. Step 3: Cross multiply
    5,453.01x = 8,175.74 × 2,857.77
  4. Step 4: Simplify right side
    5,453.01x = 23,364,370.21
  5. Step 5: Solve for x
    x = 23,364,370.21/5,453.01
  6. Step 6: Final answer
    x = 4,284.67

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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.