Home / 5,351.64-8,020.92-3,126.36

Finding the Fourth Proportional to 5,351.64, 8,020.92 and 3,126.36

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Solution

The fourth proportional to 5,351.64, 8,020.92 and 3,126.36 is: 4,685.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.64 : 8,020.92 = 3,126.36 : x
  2. Step 2: Convert to fraction form
    5,351.64/8,020.92 = 3,126.36/x
  3. Step 3: Cross multiply
    5,351.64x = 8,020.92 × 3,126.36
  4. Step 4: Simplify right side
    5,351.64x = 25,076,283.45
  5. Step 5: Solve for x
    x = 25,076,283.45/5,351.64
  6. Step 6: Final answer
    x = 4,685.72

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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.