Home / 5,194.08-7,167.86-2,836.16

Finding the Fourth Proportional to 5,194.08, 7,167.86 and 2,836.16

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Solution

The fourth proportional to 5,194.08, 7,167.86 and 2,836.16 is: 3,913.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,194.08 : 7,167.86 = 2,836.16 : x
  2. Step 2: Convert to fraction form
    5,194.08/7,167.86 = 2,836.16/x
  3. Step 3: Cross multiply
    5,194.08x = 7,167.86 × 2,836.16
  4. Step 4: Simplify right side
    5,194.08x = 20,329,197.82
  5. Step 5: Solve for x
    x = 20,329,197.82/5,194.08
  6. Step 6: Final answer
    x = 3,913.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.