Home / 5,515.19-8,272.77-2,394.80

Finding the Fourth Proportional to 5,515.19, 8,272.77 and 2,394.80

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Solution

The fourth proportional to 5,515.19, 8,272.77 and 2,394.80 is: 3,592.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.19 : 8,272.77 = 2,394.80 : x
  2. Step 2: Convert to fraction form
    5,515.19/8,272.77 = 2,394.80/x
  3. Step 3: Cross multiply
    5,515.19x = 8,272.77 × 2,394.80
  4. Step 4: Simplify right side
    5,515.19x = 19,811,597.21
  5. Step 5: Solve for x
    x = 19,811,597.21/5,515.19
  6. Step 6: Final answer
    x = 3,592.19

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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.