Home / 5,134.84-7,086.06-3,117.56

Finding the Fourth Proportional to 5,134.84, 7,086.06 and 3,117.56

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Solution

The fourth proportional to 5,134.84, 7,086.06 and 3,117.56 is: 4,302.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.84 : 7,086.06 = 3,117.56 : x
  2. Step 2: Convert to fraction form
    5,134.84/7,086.06 = 3,117.56/x
  3. Step 3: Cross multiply
    5,134.84x = 7,086.06 × 3,117.56
  4. Step 4: Simplify right side
    5,134.84x = 22,091,217.21
  5. Step 5: Solve for x
    x = 22,091,217.21/5,134.84
  6. Step 6: Final answer
    x = 4,302.22

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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.