Home / 5,515.58-8,274.91-2,230.98

Finding the Fourth Proportional to 5,515.58, 8,274.91 and 2,230.98

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Solution

The fourth proportional to 5,515.58, 8,274.91 and 2,230.98 is: 3,347.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.58 : 8,274.91 = 2,230.98 : x
  2. Step 2: Convert to fraction form
    5,515.58/8,274.91 = 2,230.98/x
  3. Step 3: Cross multiply
    5,515.58x = 8,274.91 × 2,230.98
  4. Step 4: Simplify right side
    5,515.58x = 18,461,158.71
  5. Step 5: Solve for x
    x = 18,461,158.71/5,515.58
  6. Step 6: Final answer
    x = 3,347.09

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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.