Home / 5,515.59-8,274.92-2,230.99

Finding the Fourth Proportional to 5,515.59, 8,274.92 and 2,230.99

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Solution

The fourth proportional to 5,515.59, 8,274.92 and 2,230.99 is: 3,347.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.59 : 8,274.92 = 2,230.99 : x
  2. Step 2: Convert to fraction form
    5,515.59/8,274.92 = 2,230.99/x
  3. Step 3: Cross multiply
    5,515.59x = 8,274.92 × 2,230.99
  4. Step 4: Simplify right side
    5,515.59x = 18,461,248.66
  5. Step 5: Solve for x
    x = 18,461,248.66/5,515.59
  6. Step 6: Final answer
    x = 3,347.11

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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.