Home / 4,507.20-6,762.60-1,911.96

Finding the Fourth Proportional to 4,507.20, 6,762.60 and 1,911.96

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Solution

The fourth proportional to 4,507.20, 6,762.60 and 1,911.96 is: 2,868.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,507.20 : 6,762.60 = 1,911.96 : x
  2. Step 2: Convert to fraction form
    4,507.20/6,762.60 = 1,911.96/x
  3. Step 3: Cross multiply
    4,507.20x = 6,762.60 × 1,911.96
  4. Step 4: Simplify right side
    4,507.20x = 12,929,820.70
  5. Step 5: Solve for x
    x = 12,929,820.70/4,507.20
  6. Step 6: Final answer
    x = 2,868.70

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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.