Home / 7,423.76-11,128.20-3,714.66

Finding the Fourth Proportional to 7,423.76, 11,128.20 and 3,714.66

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Solution

The fourth proportional to 7,423.76, 11,128.20 and 3,714.66 is: 5,568.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.76 : 11,128.20 = 3,714.66 : x
  2. Step 2: Convert to fraction form
    7,423.76/11,128.20 = 3,714.66/x
  3. Step 3: Cross multiply
    7,423.76x = 11,128.20 × 3,714.66
  4. Step 4: Simplify right side
    7,423.76x = 41,337,479.41
  5. Step 5: Solve for x
    x = 41,337,479.41/7,423.76
  6. Step 6: Final answer
    x = 5,568.27

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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.