Home / 7,319.42-10,979.33-2,389.35

Finding the Fourth Proportional to 7,319.42, 10,979.33 and 2,389.35

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Solution

The fourth proportional to 7,319.42, 10,979.33 and 2,389.35 is: 3,584.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,319.42 : 10,979.33 = 2,389.35 : x
  2. Step 2: Convert to fraction form
    7,319.42/10,979.33 = 2,389.35/x
  3. Step 3: Cross multiply
    7,319.42x = 10,979.33 × 2,389.35
  4. Step 4: Simplify right side
    7,319.42x = 26,233,450.19
  5. Step 5: Solve for x
    x = 26,233,450.19/7,319.42
  6. Step 6: Final answer
    x = 3,584.09

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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.