Home / 5,384.40-8,076.60-4,714.80

Finding the Fourth Proportional to 5,384.40, 8,076.60 and 4,714.80

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Solution

The fourth proportional to 5,384.40, 8,076.60 and 4,714.80 is: 7,072.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384.40 : 8,076.60 = 4,714.80 : x
  2. Step 2: Convert to fraction form
    5,384.40/8,076.60 = 4,714.80/x
  3. Step 3: Cross multiply
    5,384.40x = 8,076.60 × 4,714.80
  4. Step 4: Simplify right side
    5,384.40x = 38,079,553.68
  5. Step 5: Solve for x
    x = 38,079,553.68/5,384.40
  6. Step 6: Final answer
    x = 7,072.20

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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.