Home / 4,549.75-6,278.70-2,560.21

Finding the Fourth Proportional to 4,549.75, 6,278.70 and 2,560.21

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Solution

The fourth proportional to 4,549.75, 6,278.70 and 2,560.21 is: 3,533.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,549.75 : 6,278.70 = 2,560.21 : x
  2. Step 2: Convert to fraction form
    4,549.75/6,278.70 = 2,560.21/x
  3. Step 3: Cross multiply
    4,549.75x = 6,278.70 × 2,560.21
  4. Step 4: Simplify right side
    4,549.75x = 16,074,790.53
  5. Step 5: Solve for x
    x = 16,074,790.53/4,549.75
  6. Step 6: Final answer
    x = 3,533.12

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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.