Home / 4,576.64-6,872.55-2,856.20

Finding the Fourth Proportional to 4,576.64, 6,872.55 and 2,856.20

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Solution

The fourth proportional to 4,576.64, 6,872.55 and 2,856.20 is: 4,289.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,576.64 : 6,872.55 = 2,856.20 : x
  2. Step 2: Convert to fraction form
    4,576.64/6,872.55 = 2,856.20/x
  3. Step 3: Cross multiply
    4,576.64x = 6,872.55 × 2,856.20
  4. Step 4: Simplify right side
    4,576.64x = 19,629,377.31
  5. Step 5: Solve for x
    x = 19,629,377.31/4,576.64
  6. Step 6: Final answer
    x = 4,289.04

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1.5x scale

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.