Home / 4,513.20-6,769.80-2,871.60

Finding the Fourth Proportional to 4,513.20, 6,769.80 and 2,871.60

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Solution

The fourth proportional to 4,513.20, 6,769.80 and 2,871.60 is: 4,307.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,513.20 : 6,769.80 = 2,871.60 : x
  2. Step 2: Convert to fraction form
    4,513.20/6,769.80 = 2,871.60/x
  3. Step 3: Cross multiply
    4,513.20x = 6,769.80 × 2,871.60
  4. Step 4: Simplify right side
    4,513.20x = 19,440,157.68
  5. Step 5: Solve for x
    x = 19,440,157.68/4,513.20
  6. Step 6: Final answer
    x = 4,307.40

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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.