Home / 4,766.76-7,140.40-2,814.24

Finding the Fourth Proportional to 4,766.76, 7,140.40 and 2,814.24

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Solution

The fourth proportional to 4,766.76, 7,140.40 and 2,814.24 is: 4,215.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,766.76 : 7,140.40 = 2,814.24 : x
  2. Step 2: Convert to fraction form
    4,766.76/7,140.40 = 2,814.24/x
  3. Step 3: Cross multiply
    4,766.76x = 7,140.40 × 2,814.24
  4. Step 4: Simplify right side
    4,766.76x = 20,094,799.30
  5. Step 5: Solve for x
    x = 20,094,799.30/4,766.76
  6. Step 6: Final answer
    x = 4,215.61

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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.