Home / 5,134.83-7,086.08-2,776.97

Finding the Fourth Proportional to 5,134.83, 7,086.08 and 2,776.97

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Solution

The fourth proportional to 5,134.83, 7,086.08 and 2,776.97 is: 3,832.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.83 : 7,086.08 = 2,776.97 : x
  2. Step 2: Convert to fraction form
    5,134.83/7,086.08 = 2,776.97/x
  3. Step 3: Cross multiply
    5,134.83x = 7,086.08 × 2,776.97
  4. Step 4: Simplify right side
    5,134.83x = 19,677,782.26
  5. Step 5: Solve for x
    x = 19,677,782.26/5,134.83
  6. Step 6: Final answer
    x = 3,832.22

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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.