Home / 6,478.23-9,717.49-2,318.52

Finding the Fourth Proportional to 6,478.23, 9,717.49 and 2,318.52

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Solution

The fourth proportional to 6,478.23, 9,717.49 and 2,318.52 is: 3,477.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,478.23 : 9,717.49 = 2,318.52 : x
  2. Step 2: Convert to fraction form
    6,478.23/9,717.49 = 2,318.52/x
  3. Step 3: Cross multiply
    6,478.23x = 9,717.49 × 2,318.52
  4. Step 4: Simplify right side
    6,478.23x = 22,530,240.77
  5. Step 5: Solve for x
    x = 22,530,240.77/6,478.23
  6. Step 6: Final answer
    x = 3,477.84

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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.