Home / 5,520.03-8,274.78-2,915.07

Finding the Fourth Proportional to 5,520.03, 8,274.78 and 2,915.07

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Solution

The fourth proportional to 5,520.03, 8,274.78 and 2,915.07 is: 4,369.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.03 : 8,274.78 = 2,915.07 : x
  2. Step 2: Convert to fraction form
    5,520.03/8,274.78 = 2,915.07/x
  3. Step 3: Cross multiply
    5,520.03x = 8,274.78 × 2,915.07
  4. Step 4: Simplify right side
    5,520.03x = 24,121,562.93
  5. Step 5: Solve for x
    x = 24,121,562.93/5,520.03
  6. Step 6: Final answer
    x = 4,369.82

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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.