Home / 5,664.80-8,499.28-2,380

Finding the Fourth Proportional to 5,664.80, 8,499.28 and 2,380

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Solution

The fourth proportional to 5,664.80, 8,499.28 and 2,380 is: 3,570.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,664.80 : 8,499.28 = 2,380 : x
  2. Step 2: Convert to fraction form
    5,664.80/8,499.28 = 2,380/x
  3. Step 3: Cross multiply
    5,664.80x = 8,499.28 × 2,380
  4. Step 4: Simplify right side
    5,664.80x = 20,228,286.40
  5. Step 5: Solve for x
    x = 20,228,286.40/5,664.80
  6. Step 6: Final answer
    x = 3,570.87

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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.