Home / 4,686.76-7,025.25-2,218.64

Finding the Fourth Proportional to 4,686.76, 7,025.25 and 2,218.64

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Solution

The fourth proportional to 4,686.76, 7,025.25 and 2,218.64 is: 3,325.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,686.76 : 7,025.25 = 2,218.64 : x
  2. Step 2: Convert to fraction form
    4,686.76/7,025.25 = 2,218.64/x
  3. Step 3: Cross multiply
    4,686.76x = 7,025.25 × 2,218.64
  4. Step 4: Simplify right side
    4,686.76x = 15,586,500.66
  5. Step 5: Solve for x
    x = 15,586,500.66/4,686.76
  6. Step 6: Final answer
    x = 3,325.65

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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.