Home / 7,834.61-11,744.72-3,389.50

Finding the Fourth Proportional to 7,834.61, 11,744.72 and 3,389.50

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Solution

The fourth proportional to 7,834.61, 11,744.72 and 3,389.50 is: 5,081.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,834.61 : 11,744.72 = 3,389.50 : x
  2. Step 2: Convert to fraction form
    7,834.61/11,744.72 = 3,389.50/x
  3. Step 3: Cross multiply
    7,834.61x = 11,744.72 × 3,389.50
  4. Step 4: Simplify right side
    7,834.61x = 39,808,682.13
  5. Step 5: Solve for x
    x = 39,808,682.13/7,834.61
  6. Step 6: Final answer
    x = 5,081.13

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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.