Home / 4,257.55-5,872.08-2,913.95

Finding the Fourth Proportional to 4,257.55, 5,872.08 and 2,913.95

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Solution

The fourth proportional to 4,257.55, 5,872.08 and 2,913.95 is: 4,018.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.55 : 5,872.08 = 2,913.95 : x
  2. Step 2: Convert to fraction form
    4,257.55/5,872.08 = 2,913.95/x
  3. Step 3: Cross multiply
    4,257.55x = 5,872.08 × 2,913.95
  4. Step 4: Simplify right side
    4,257.55x = 17,110,962.20
  5. Step 5: Solve for x
    x = 17,110,962.20/4,257.55
  6. Step 6: Final answer
    x = 4,018.97

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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.