Home / 5,515.25-8,272.85-2,394.84

Finding the Fourth Proportional to 5,515.25, 8,272.85 and 2,394.84

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Solution

The fourth proportional to 5,515.25, 8,272.85 and 2,394.84 is: 3,592.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.25 : 8,272.85 = 2,394.84 : x
  2. Step 2: Convert to fraction form
    5,515.25/8,272.85 = 2,394.84/x
  3. Step 3: Cross multiply
    5,515.25x = 8,272.85 × 2,394.84
  4. Step 4: Simplify right side
    5,515.25x = 19,812,140.12
  5. Step 5: Solve for x
    x = 19,812,140.12/5,515.25
  6. Step 6: Final answer
    x = 3,592.25

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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.