Home / 7,744.30-11,612.90-2,478.29

Finding the Fourth Proportional to 7,744.30, 11,612.90 and 2,478.29

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Solution

The fourth proportional to 7,744.30, 11,612.90 and 2,478.29 is: 3,716.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,744.30 : 11,612.90 = 2,478.29 : x
  2. Step 2: Convert to fraction form
    7,744.30/11,612.90 = 2,478.29/x
  3. Step 3: Cross multiply
    7,744.30x = 11,612.90 × 2,478.29
  4. Step 4: Simplify right side
    7,744.30x = 28,780,082.07
  5. Step 5: Solve for x
    x = 28,780,082.07/7,744.30
  6. Step 6: Final answer
    x = 3,716.29

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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.