Home / 5,134.81-7,086.09-3,011.59

Finding the Fourth Proportional to 5,134.81, 7,086.09 and 3,011.59

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Solution

The fourth proportional to 5,134.81, 7,086.09 and 3,011.59 is: 4,156.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.81 : 7,086.09 = 3,011.59 : x
  2. Step 2: Convert to fraction form
    5,134.81/7,086.09 = 3,011.59/x
  3. Step 3: Cross multiply
    5,134.81x = 7,086.09 × 3,011.59
  4. Step 4: Simplify right side
    5,134.81x = 21,340,428.02
  5. Step 5: Solve for x
    x = 21,340,428.02/5,134.81
  6. Step 6: Final answer
    x = 4,156.03

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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.