Home / 5,512.50-7,607.93-3,154.64

Finding the Fourth Proportional to 5,512.50, 7,607.93 and 3,154.64

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Solution

The fourth proportional to 5,512.50, 7,607.93 and 3,154.64 is: 4,353.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,512.50 : 7,607.93 = 3,154.64 : x
  2. Step 2: Convert to fraction form
    5,512.50/7,607.93 = 3,154.64/x
  3. Step 3: Cross multiply
    5,512.50x = 7,607.93 × 3,154.64
  4. Step 4: Simplify right side
    5,512.50x = 24,000,226.48
  5. Step 5: Solve for x
    x = 24,000,226.48/5,512.50
  6. Step 6: Final answer
    x = 4,353.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.