Home / 7,984.85-11,962.68-5,788.13

Finding the Fourth Proportional to 7,984.85, 11,962.68 and 5,788.13

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Solution

The fourth proportional to 7,984.85, 11,962.68 and 5,788.13 is: 8,671.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984.85 : 11,962.68 = 5,788.13 : x
  2. Step 2: Convert to fraction form
    7,984.85/11,962.68 = 5,788.13/x
  3. Step 3: Cross multiply
    7,984.85x = 11,962.68 × 5,788.13
  4. Step 4: Simplify right side
    7,984.85x = 69,241,546.99
  5. Step 5: Solve for x
    x = 69,241,546.99/7,984.85
  6. Step 6: Final answer
    x = 8,671.62

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1.5x scale

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.