Home / 6,109.28-8,428.04-3,750.56

Finding the Fourth Proportional to 6,109.28, 8,428.04 and 3,750.56

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Solution

The fourth proportional to 6,109.28, 8,428.04 and 3,750.56 is: 5,174.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,109.28 : 8,428.04 = 3,750.56 : x
  2. Step 2: Convert to fraction form
    6,109.28/8,428.04 = 3,750.56/x
  3. Step 3: Cross multiply
    6,109.28x = 8,428.04 × 3,750.56
  4. Step 4: Simplify right side
    6,109.28x = 31,609,869.70
  5. Step 5: Solve for x
    x = 31,609,869.70/6,109.28
  6. Step 6: Final answer
    x = 5,174.07

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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.