Home / 4,378.50-6,042.33-2,808.72

Finding the Fourth Proportional to 4,378.50, 6,042.33 and 2,808.72

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Solution

The fourth proportional to 4,378.50, 6,042.33 and 2,808.72 is: 3,876.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.50 : 6,042.33 = 2,808.72 : x
  2. Step 2: Convert to fraction form
    4,378.50/6,042.33 = 2,808.72/x
  3. Step 3: Cross multiply
    4,378.50x = 6,042.33 × 2,808.72
  4. Step 4: Simplify right side
    4,378.50x = 16,971,213.12
  5. Step 5: Solve for x
    x = 16,971,213.12/4,378.50
  6. Step 6: Final answer
    x = 3,876.03

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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.