Home / 5,276.24-7,908.67-3,428.69

Finding the Fourth Proportional to 5,276.24, 7,908.67 and 3,428.69

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Solution

The fourth proportional to 5,276.24, 7,908.67 and 3,428.69 is: 5,139.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.24 : 7,908.67 = 3,428.69 : x
  2. Step 2: Convert to fraction form
    5,276.24/7,908.67 = 3,428.69/x
  3. Step 3: Cross multiply
    5,276.24x = 7,908.67 × 3,428.69
  4. Step 4: Simplify right side
    5,276.24x = 27,116,342.48
  5. Step 5: Solve for x
    x = 27,116,342.48/5,276.24
  6. Step 6: Final answer
    x = 5,139.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.