Home / 4,618.60-6,922.40-2,666.76

Finding the Fourth Proportional to 4,618.60, 6,922.40 and 2,666.76

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Solution

The fourth proportional to 4,618.60, 6,922.40 and 2,666.76 is: 3,996.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,618.60 : 6,922.40 = 2,666.76 : x
  2. Step 2: Convert to fraction form
    4,618.60/6,922.40 = 2,666.76/x
  3. Step 3: Cross multiply
    4,618.60x = 6,922.40 × 2,666.76
  4. Step 4: Simplify right side
    4,618.60x = 18,460,379.42
  5. Step 5: Solve for x
    x = 18,460,379.42/4,618.60
  6. Step 6: Final answer
    x = 3,996.96

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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.