Home / 5,428.14-7,487.94-3,437.97

Finding the Fourth Proportional to 5,428.14, 7,487.94 and 3,437.97

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Solution

The fourth proportional to 5,428.14, 7,487.94 and 3,437.97 is: 4,742.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428.14 : 7,487.94 = 3,437.97 : x
  2. Step 2: Convert to fraction form
    5,428.14/7,487.94 = 3,437.97/x
  3. Step 3: Cross multiply
    5,428.14x = 7,487.94 × 3,437.97
  4. Step 4: Simplify right side
    5,428.14x = 25,743,313.08
  5. Step 5: Solve for x
    x = 25,743,313.08/5,428.14
  6. Step 6: Final answer
    x = 4,742.57

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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.