Home / 4,549.50-6,278.38-2,780.73

Finding the Fourth Proportional to 4,549.50, 6,278.38 and 2,780.73

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Solution

The fourth proportional to 4,549.50, 6,278.38 and 2,780.73 is: 3,837.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,549.50 : 6,278.38 = 2,780.73 : x
  2. Step 2: Convert to fraction form
    4,549.50/6,278.38 = 2,780.73/x
  3. Step 3: Cross multiply
    4,549.50x = 6,278.38 × 2,780.73
  4. Step 4: Simplify right side
    4,549.50x = 17,458,472.67
  5. Step 5: Solve for x
    x = 17,458,472.67/4,549.50
  6. Step 6: Final answer
    x = 3,837.45

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Double scale
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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.