Home / 5,134.84-7,086.09-2,776.99

Finding the Fourth Proportional to 5,134.84, 7,086.09 and 2,776.99

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Solution

The fourth proportional to 5,134.84, 7,086.09 and 2,776.99 is: 3,832.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.84 : 7,086.09 = 2,776.99 : x
  2. Step 2: Convert to fraction form
    5,134.84/7,086.09 = 2,776.99/x
  3. Step 3: Cross multiply
    5,134.84x = 7,086.09 × 2,776.99
  4. Step 4: Simplify right side
    5,134.84x = 19,678,001.07
  5. Step 5: Solve for x
    x = 19,678,001.07/5,134.84
  6. Step 6: Final answer
    x = 3,832.25

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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.