Home / 4,688.66-7,028.40-2,609.66

Finding the Fourth Proportional to 4,688.66, 7,028.40 and 2,609.66

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Solution

The fourth proportional to 4,688.66, 7,028.40 and 2,609.66 is: 3,911.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.66 : 7,028.40 = 2,609.66 : x
  2. Step 2: Convert to fraction form
    4,688.66/7,028.40 = 2,609.66/x
  3. Step 3: Cross multiply
    4,688.66x = 7,028.40 × 2,609.66
  4. Step 4: Simplify right side
    4,688.66x = 18,341,734.34
  5. Step 5: Solve for x
    x = 18,341,734.34/4,688.66
  6. Step 6: Final answer
    x = 3,911.94

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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.