Home / 4,686.60-7,040.70-3,228.60

Finding the Fourth Proportional to 4,686.60, 7,040.70 and 3,228.60

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Solution

The fourth proportional to 4,686.60, 7,040.70 and 3,228.60 is: 4,850.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,686.60 : 7,040.70 = 3,228.60 : x
  2. Step 2: Convert to fraction form
    4,686.60/7,040.70 = 3,228.60/x
  3. Step 3: Cross multiply
    4,686.60x = 7,040.70 × 3,228.60
  4. Step 4: Simplify right side
    4,686.60x = 22,731,604.02
  5. Step 5: Solve for x
    x = 22,731,604.02/4,686.60
  6. Step 6: Final answer
    x = 4,850.34

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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.