Home / 4,423.75-6,638.66-1,826.71

Finding the Fourth Proportional to 4,423.75, 6,638.66 and 1,826.71

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Solution

The fourth proportional to 4,423.75, 6,638.66 and 1,826.71 is: 2,741.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,423.75 : 6,638.66 = 1,826.71 : x
  2. Step 2: Convert to fraction form
    4,423.75/6,638.66 = 1,826.71/x
  3. Step 3: Cross multiply
    4,423.75x = 6,638.66 × 1,826.71
  4. Step 4: Simplify right side
    4,423.75x = 12,126,911.18
  5. Step 5: Solve for x
    x = 12,126,911.18/4,423.75
  6. Step 6: Final answer
    x = 2,741.32

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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.