Home / 4,238.11-5,849.47-2,821.86

Finding the Fourth Proportional to 4,238.11, 5,849.47 and 2,821.86

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Solution

The fourth proportional to 4,238.11, 5,849.47 and 2,821.86 is: 3,894.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,238.11 : 5,849.47 = 2,821.86 : x
  2. Step 2: Convert to fraction form
    4,238.11/5,849.47 = 2,821.86/x
  3. Step 3: Cross multiply
    4,238.11x = 5,849.47 × 2,821.86
  4. Step 4: Simplify right side
    4,238.11x = 16,506,352.50
  5. Step 5: Solve for x
    x = 16,506,352.50/4,238.11
  6. Step 6: Final answer
    x = 3,894.74

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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.