Home / 4,000.08-5,520.66-2,884.68

Finding the Fourth Proportional to 4,000.08, 5,520.66 and 2,884.68

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Solution

The fourth proportional to 4,000.08, 5,520.66 and 2,884.68 is: 3,981.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000.08 : 5,520.66 = 2,884.68 : x
  2. Step 2: Convert to fraction form
    4,000.08/5,520.66 = 2,884.68/x
  3. Step 3: Cross multiply
    4,000.08x = 5,520.66 × 2,884.68
  4. Step 4: Simplify right side
    4,000.08x = 15,925,337.49
  5. Step 5: Solve for x
    x = 15,925,337.49/4,000.08
  6. Step 6: Final answer
    x = 3,981.25

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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.