Home / 5,576.64-8,365.68-1,680.36

Finding the Fourth Proportional to 5,576.64, 8,365.68 and 1,680.36

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Solution

The fourth proportional to 5,576.64, 8,365.68 and 1,680.36 is: 2,520.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,576.64 : 8,365.68 = 1,680.36 : x
  2. Step 2: Convert to fraction form
    5,576.64/8,365.68 = 1,680.36/x
  3. Step 3: Cross multiply
    5,576.64x = 8,365.68 × 1,680.36
  4. Step 4: Simplify right side
    5,576.64x = 14,057,354.04
  5. Step 5: Solve for x
    x = 14,057,354.04/5,576.64
  6. Step 6: Final answer
    x = 2,520.76

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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.