Home / 5,134.80-7,086.02-2,776.92

Finding the Fourth Proportional to 5,134.80, 7,086.02 and 2,776.92

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Solution

The fourth proportional to 5,134.80, 7,086.02 and 2,776.92 is: 3,832.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.80 : 7,086.02 = 2,776.92 : x
  2. Step 2: Convert to fraction form
    5,134.80/7,086.02 = 2,776.92/x
  3. Step 3: Cross multiply
    5,134.80x = 7,086.02 × 2,776.92
  4. Step 4: Simplify right side
    5,134.80x = 19,677,310.66
  5. Step 5: Solve for x
    x = 19,677,310.66/5,134.80
  6. Step 6: Final answer
    x = 3,832.15

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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.