Home / 4,257.56-5,868.36-3,885.80

Finding the Fourth Proportional to 4,257.56, 5,868.36 and 3,885.80

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Solution

The fourth proportional to 4,257.56, 5,868.36 and 3,885.80 is: 5,355.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.56 : 5,868.36 = 3,885.80 : x
  2. Step 2: Convert to fraction form
    4,257.56/5,868.36 = 3,885.80/x
  3. Step 3: Cross multiply
    4,257.56x = 5,868.36 × 3,885.80
  4. Step 4: Simplify right side
    4,257.56x = 22,803,273.29
  5. Step 5: Solve for x
    x = 22,803,273.29/4,257.56
  6. Step 6: Final answer
    x = 5,355.95

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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.