Home / 5,186.16-7,157.04-2,917.68

Finding the Fourth Proportional to 5,186.16, 7,157.04 and 2,917.68

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Solution

The fourth proportional to 5,186.16, 7,157.04 and 2,917.68 is: 4,026.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186.16 : 7,157.04 = 2,917.68 : x
  2. Step 2: Convert to fraction form
    5,186.16/7,157.04 = 2,917.68/x
  3. Step 3: Cross multiply
    5,186.16x = 7,157.04 × 2,917.68
  4. Step 4: Simplify right side
    5,186.16x = 20,881,952.47
  5. Step 5: Solve for x
    x = 20,881,952.47/5,186.16
  6. Step 6: Final answer
    x = 4,026.48

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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.