Home / 5,453.92-8,184.12-2,857.60

Finding the Fourth Proportional to 5,453.92, 8,184.12 and 2,857.60

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Solution

The fourth proportional to 5,453.92, 8,184.12 and 2,857.60 is: 4,288.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.92 : 8,184.12 = 2,857.60 : x
  2. Step 2: Convert to fraction form
    5,453.92/8,184.12 = 2,857.60/x
  3. Step 3: Cross multiply
    5,453.92x = 8,184.12 × 2,857.60
  4. Step 4: Simplify right side
    5,453.92x = 23,386,941.31
  5. Step 5: Solve for x
    x = 23,386,941.31/5,453.92
  6. Step 6: Final answer
    x = 4,288.10

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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.