Home / 5,134.81-7,086.02-2,776.95

Finding the Fourth Proportional to 5,134.81, 7,086.02 and 2,776.95

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Solution

The fourth proportional to 5,134.81, 7,086.02 and 2,776.95 is: 3,832.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.81 : 7,086.02 = 2,776.95 : x
  2. Step 2: Convert to fraction form
    5,134.81/7,086.02 = 2,776.95/x
  3. Step 3: Cross multiply
    5,134.81x = 7,086.02 × 2,776.95
  4. Step 4: Simplify right side
    5,134.81x = 19,677,523.24
  5. Step 5: Solve for x
    x = 19,677,523.24/5,134.81
  6. Step 6: Final answer
    x = 3,832.18

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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.