Home / 4,549.86-6,278.78-2,560.38

Finding the Fourth Proportional to 4,549.86, 6,278.78 and 2,560.38

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Solution

The fourth proportional to 4,549.86, 6,278.78 and 2,560.38 is: 3,533.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,549.86 : 6,278.78 = 2,560.38 : x
  2. Step 2: Convert to fraction form
    4,549.86/6,278.78 = 2,560.38/x
  3. Step 3: Cross multiply
    4,549.86x = 6,278.78 × 2,560.38
  4. Step 4: Simplify right side
    4,549.86x = 16,076,049.93
  5. Step 5: Solve for x
    x = 16,076,049.93/4,549.86
  6. Step 6: Final answer
    x = 3,533.31

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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.