Home / 4,000.86-5,521.25-2,208.43

Finding the Fourth Proportional to 4,000.86, 5,521.25 and 2,208.43

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Solution

The fourth proportional to 4,000.86, 5,521.25 and 2,208.43 is: 3,047.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000.86 : 5,521.25 = 2,208.43 : x
  2. Step 2: Convert to fraction form
    4,000.86/5,521.25 = 2,208.43/x
  3. Step 3: Cross multiply
    4,000.86x = 5,521.25 × 2,208.43
  4. Step 4: Simplify right side
    4,000.86x = 12,193,275.50
  5. Step 5: Solve for x
    x = 12,193,275.50/4,000.86
  6. Step 6: Final answer
    x = 3,047.66

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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.