Home / 4,355.28-6,534.48-3,186.48

Finding the Fourth Proportional to 4,355.28, 6,534.48 and 3,186.48

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Solution

The fourth proportional to 4,355.28, 6,534.48 and 3,186.48 is: 4,780.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,355.28 : 6,534.48 = 3,186.48 : x
  2. Step 2: Convert to fraction form
    4,355.28/6,534.48 = 3,186.48/x
  3. Step 3: Cross multiply
    4,355.28x = 6,534.48 × 3,186.48
  4. Step 4: Simplify right side
    4,355.28x = 20,821,989.83
  5. Step 5: Solve for x
    x = 20,821,989.83/4,355.28
  6. Step 6: Final answer
    x = 4,780.86

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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.