Home / 7,744.58-11,612.91-2,813.06

Finding the Fourth Proportional to 7,744.58, 11,612.91 and 2,813.06

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Solution

The fourth proportional to 7,744.58, 11,612.91 and 2,813.06 is: 4,218.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,744.58 : 11,612.91 = 2,813.06 : x
  2. Step 2: Convert to fraction form
    7,744.58/11,612.91 = 2,813.06/x
  3. Step 3: Cross multiply
    7,744.58x = 11,612.91 × 2,813.06
  4. Step 4: Simplify right side
    7,744.58x = 32,667,812.60
  5. Step 5: Solve for x
    x = 32,667,812.60/7,744.58
  6. Step 6: Final answer
    x = 4,218.15

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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.