Home / 5,520.21-8,281.59-2,889.14

Finding the Fourth Proportional to 5,520.21, 8,281.59 and 2,889.14

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Solution

The fourth proportional to 5,520.21, 8,281.59 and 2,889.14 is: 4,334.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.21 : 8,281.59 = 2,889.14 : x
  2. Step 2: Convert to fraction form
    5,520.21/8,281.59 = 2,889.14/x
  3. Step 3: Cross multiply
    5,520.21x = 8,281.59 × 2,889.14
  4. Step 4: Simplify right side
    5,520.21x = 23,926,665.71
  5. Step 5: Solve for x
    x = 23,926,665.71/5,520.21
  6. Step 6: Final answer
    x = 4,334.38

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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.