Home / 5,646.84-7,792.50-3,289.44

Finding the Fourth Proportional to 5,646.84, 7,792.50 and 3,289.44

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Solution

The fourth proportional to 5,646.84, 7,792.50 and 3,289.44 is: 4,539.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,646.84 : 7,792.50 = 3,289.44 : x
  2. Step 2: Convert to fraction form
    5,646.84/7,792.50 = 3,289.44/x
  3. Step 3: Cross multiply
    5,646.84x = 7,792.50 × 3,289.44
  4. Step 4: Simplify right side
    5,646.84x = 25,632,961.20
  5. Step 5: Solve for x
    x = 25,632,961.20/5,646.84
  6. Step 6: Final answer
    x = 4,539.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.