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Finding the Fourth Proportional to 5,343.96, 8,015.64 and 1,880.92

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Solution

The fourth proportional to 5,343.96, 8,015.64 and 1,880.92 is: 2,821.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.96 : 8,015.64 = 1,880.92 : x
  2. Step 2: Convert to fraction form
    5,343.96/8,015.64 = 1,880.92/x
  3. Step 3: Cross multiply
    5,343.96x = 8,015.64 × 1,880.92
  4. Step 4: Simplify right side
    5,343.96x = 15,076,777.59
  5. Step 5: Solve for x
    x = 15,076,777.59/5,343.96
  6. Step 6: Final answer
    x = 2,821.27

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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.