Home / 5,327.84-7,992.45-2,859.28

Finding the Fourth Proportional to 5,327.84, 7,992.45 and 2,859.28

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Solution

The fourth proportional to 5,327.84, 7,992.45 and 2,859.28 is: 4,289.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327.84 : 7,992.45 = 2,859.28 : x
  2. Step 2: Convert to fraction form
    5,327.84/7,992.45 = 2,859.28/x
  3. Step 3: Cross multiply
    5,327.84x = 7,992.45 × 2,859.28
  4. Step 4: Simplify right side
    5,327.84x = 22,852,632.45
  5. Step 5: Solve for x
    x = 22,852,632.45/5,327.84
  6. Step 6: Final answer
    x = 4,289.28

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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.