Home / 5,423.75-8,142.26-3,576.41

Finding the Fourth Proportional to 5,423.75, 8,142.26 and 3,576.41

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Solution

The fourth proportional to 5,423.75, 8,142.26 and 3,576.41 is: 5,368.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.75 : 8,142.26 = 3,576.41 : x
  2. Step 2: Convert to fraction form
    5,423.75/8,142.26 = 3,576.41/x
  3. Step 3: Cross multiply
    5,423.75x = 8,142.26 × 3,576.41
  4. Step 4: Simplify right side
    5,423.75x = 29,120,001.49
  5. Step 5: Solve for x
    x = 29,120,001.49/5,423.75
  6. Step 6: Final answer
    x = 5,368.98

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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.