Home / 5,320.02-7,979.82-2,859.62

Finding the Fourth Proportional to 5,320.02, 7,979.82 and 2,859.62

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Solution

The fourth proportional to 5,320.02, 7,979.82 and 2,859.62 is: 4,289.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.02 : 7,979.82 = 2,859.62 : x
  2. Step 2: Convert to fraction form
    5,320.02/7,979.82 = 2,859.62/x
  3. Step 3: Cross multiply
    5,320.02x = 7,979.82 × 2,859.62
  4. Step 4: Simplify right side
    5,320.02x = 22,819,252.87
  5. Step 5: Solve for x
    x = 22,819,252.87/5,320.02
  6. Step 6: Final answer
    x = 4,289.32

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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.