Home / 5,775.84-8,664.48-2,311.20

Finding the Fourth Proportional to 5,775.84, 8,664.48 and 2,311.20

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Solution

The fourth proportional to 5,775.84, 8,664.48 and 2,311.20 is: 3,467.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775.84 : 8,664.48 = 2,311.20 : x
  2. Step 2: Convert to fraction form
    5,775.84/8,664.48 = 2,311.20/x
  3. Step 3: Cross multiply
    5,775.84x = 8,664.48 × 2,311.20
  4. Step 4: Simplify right side
    5,775.84x = 20,025,346.18
  5. Step 5: Solve for x
    x = 20,025,346.18/5,775.84
  6. Step 6: Final answer
    x = 3,467.09

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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.