Home / 8,487.72-12,735.96-4,050.36

Finding the Fourth Proportional to 8,487.72, 12,735.96 and 4,050.36

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Solution

The fourth proportional to 8,487.72, 12,735.96 and 4,050.36 is: 6,077.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,487.72 : 12,735.96 = 4,050.36 : x
  2. Step 2: Convert to fraction form
    8,487.72/12,735.96 = 4,050.36/x
  3. Step 3: Cross multiply
    8,487.72x = 12,735.96 × 4,050.36
  4. Step 4: Simplify right side
    8,487.72x = 51,585,222.95
  5. Step 5: Solve for x
    x = 51,585,222.95/8,487.72
  6. Step 6: Final answer
    x = 6,077.63

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1.5x scale

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.