Home / 5,576.21-8,365.70-1,680.62

Finding the Fourth Proportional to 5,576.21, 8,365.70 and 1,680.62

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Solution

The fourth proportional to 5,576.21, 8,365.70 and 1,680.62 is: 2,521.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,576.21 : 8,365.70 = 1,680.62 : x
  2. Step 2: Convert to fraction form
    5,576.21/8,365.70 = 1,680.62/x
  3. Step 3: Cross multiply
    5,576.21x = 8,365.70 × 1,680.62
  4. Step 4: Simplify right side
    5,576.21x = 14,059,525.11
  5. Step 5: Solve for x
    x = 14,059,525.11/5,576.21
  6. Step 6: Final answer
    x = 2,521.34

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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.