Home / 7,744.34-11,617.91-2,820.89

Finding the Fourth Proportional to 7,744.34, 11,617.91 and 2,820.89

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Solution

The fourth proportional to 7,744.34, 11,617.91 and 2,820.89 is: 4,231.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,744.34 : 11,617.91 = 2,820.89 : x
  2. Step 2: Convert to fraction form
    7,744.34/11,617.91 = 2,820.89/x
  3. Step 3: Cross multiply
    7,744.34x = 11,617.91 × 2,820.89
  4. Step 4: Simplify right side
    7,744.34x = 32,772,846.14
  5. Step 5: Solve for x
    x = 32,772,846.14/7,744.34
  6. Step 6: Final answer
    x = 4,231.84

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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.