Home / 4,688.40-7,027.43-2,219.52

Finding the Fourth Proportional to 4,688.40, 7,027.43 and 2,219.52

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Solution

The fourth proportional to 4,688.40, 7,027.43 and 2,219.52 is: 3,326.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.40 : 7,027.43 = 2,219.52 : x
  2. Step 2: Convert to fraction form
    4,688.40/7,027.43 = 2,219.52/x
  3. Step 3: Cross multiply
    4,688.40x = 7,027.43 × 2,219.52
  4. Step 4: Simplify right side
    4,688.40x = 15,597,521.43
  5. Step 5: Solve for x
    x = 15,597,521.43/4,688.40
  6. Step 6: Final answer
    x = 3,326.83

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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.