Home / 4,440.29-6,658.11-1,319.87

Finding the Fourth Proportional to 4,440.29, 6,658.11 and 1,319.87

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Solution

The fourth proportional to 4,440.29, 6,658.11 and 1,319.87 is: 1,979.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,440.29 : 6,658.11 = 1,319.87 : x
  2. Step 2: Convert to fraction form
    4,440.29/6,658.11 = 1,319.87/x
  3. Step 3: Cross multiply
    4,440.29x = 6,658.11 × 1,319.87
  4. Step 4: Simplify right side
    4,440.29x = 8,787,806.36
  5. Step 5: Solve for x
    x = 8,787,806.36/4,440.29
  6. Step 6: Final answer
    x = 1,979.11

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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.