Home / 7,717.27-11,576.45-3,820.63

Finding the Fourth Proportional to 7,717.27, 11,576.45 and 3,820.63

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Solution

The fourth proportional to 7,717.27, 11,576.45 and 3,820.63 is: 5,731.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717.27 : 11,576.45 = 3,820.63 : x
  2. Step 2: Convert to fraction form
    7,717.27/11,576.45 = 3,820.63/x
  3. Step 3: Cross multiply
    7,717.27x = 11,576.45 × 3,820.63
  4. Step 4: Simplify right side
    7,717.27x = 44,229,255.18
  5. Step 5: Solve for x
    x = 44,229,255.18/7,717.27
  6. Step 6: Final answer
    x = 5,731.21

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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.