Home / 5,186.94-7,158.07-2,829.16

Finding the Fourth Proportional to 5,186.94, 7,158.07 and 2,829.16

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Solution

The fourth proportional to 5,186.94, 7,158.07 and 2,829.16 is: 3,904.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186.94 : 7,158.07 = 2,829.16 : x
  2. Step 2: Convert to fraction form
    5,186.94/7,158.07 = 2,829.16/x
  3. Step 3: Cross multiply
    5,186.94x = 7,158.07 × 2,829.16
  4. Step 4: Simplify right side
    5,186.94x = 20,251,325.32
  5. Step 5: Solve for x
    x = 20,251,325.32/5,186.94
  6. Step 6: Final answer
    x = 3,904.29

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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.