Home / 4,217.76-5,817.84-2,625.30

Finding the Fourth Proportional to 4,217.76, 5,817.84 and 2,625.30

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Solution

The fourth proportional to 4,217.76, 5,817.84 and 2,625.30 is: 3,621.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,217.76 : 5,817.84 = 2,625.30 : x
  2. Step 2: Convert to fraction form
    4,217.76/5,817.84 = 2,625.30/x
  3. Step 3: Cross multiply
    4,217.76x = 5,817.84 × 2,625.30
  4. Step 4: Simplify right side
    4,217.76x = 15,273,575.35
  5. Step 5: Solve for x
    x = 15,273,575.35/4,217.76
  6. Step 6: Final answer
    x = 3,621.25

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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.