Home / 5,320.24-7,984.52-3,688.28

Finding the Fourth Proportional to 5,320.24, 7,984.52 and 3,688.28

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Solution

The fourth proportional to 5,320.24, 7,984.52 and 3,688.28 is: 5,535.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.24 : 7,984.52 = 3,688.28 : x
  2. Step 2: Convert to fraction form
    5,320.24/7,984.52 = 3,688.28/x
  3. Step 3: Cross multiply
    5,320.24x = 7,984.52 × 3,688.28
  4. Step 4: Simplify right side
    5,320.24x = 29,449,145.43
  5. Step 5: Solve for x
    x = 29,449,145.43/5,320.24
  6. Step 6: Final answer
    x = 5,535.30

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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.