Home / 5,525.40-8,289-2,752.20

Finding the Fourth Proportional to 5,525.40, 8,289 and 2,752.20

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Solution

The fourth proportional to 5,525.40, 8,289 and 2,752.20 is: 4,128.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,525.40 : 8,289 = 2,752.20 : x
  2. Step 2: Convert to fraction form
    5,525.40/8,289 = 2,752.20/x
  3. Step 3: Cross multiply
    5,525.40x = 8,289 × 2,752.20
  4. Step 4: Simplify right side
    5,525.40x = 22,812,985.80
  5. Step 5: Solve for x
    x = 22,812,985.80/5,525.40
  6. Step 6: Final answer
    x = 4,128.75

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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.