Home / 5,312.48-7,960.39-3,360.56

Finding the Fourth Proportional to 5,312.48, 7,960.39 and 3,360.56

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Solution

The fourth proportional to 5,312.48, 7,960.39 and 3,360.56 is: 5,035.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.48 : 7,960.39 = 3,360.56 : x
  2. Step 2: Convert to fraction form
    5,312.48/7,960.39 = 3,360.56/x
  3. Step 3: Cross multiply
    5,312.48x = 7,960.39 × 3,360.56
  4. Step 4: Simplify right side
    5,312.48x = 26,751,311.61
  5. Step 5: Solve for x
    x = 26,751,311.61/5,312.48
  6. Step 6: Final answer
    x = 5,035.56

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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.