Home / 5,674.56-8,512.64-2,385.60

Finding the Fourth Proportional to 5,674.56, 8,512.64 and 2,385.60

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Solution

The fourth proportional to 5,674.56, 8,512.64 and 2,385.60 is: 3,578.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,674.56 : 8,512.64 = 2,385.60 : x
  2. Step 2: Convert to fraction form
    5,674.56/8,512.64 = 2,385.60/x
  3. Step 3: Cross multiply
    5,674.56x = 8,512.64 × 2,385.60
  4. Step 4: Simplify right side
    5,674.56x = 20,307,753.98
  5. Step 5: Solve for x
    x = 20,307,753.98/5,674.56
  6. Step 6: Final answer
    x = 3,578.74

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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.