Home / 8,520.65-11,759.24-4,745.15

Finding the Fourth Proportional to 8,520.65, 11,759.24 and 4,745.15

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Solution

The fourth proportional to 8,520.65, 11,759.24 and 4,745.15 is: 6,548.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,520.65 : 11,759.24 = 4,745.15 : x
  2. Step 2: Convert to fraction form
    8,520.65/11,759.24 = 4,745.15/x
  3. Step 3: Cross multiply
    8,520.65x = 11,759.24 × 4,745.15
  4. Step 4: Simplify right side
    8,520.65x = 55,799,333.96
  5. Step 5: Solve for x
    x = 55,799,333.96/8,520.65
  6. Step 6: Final answer
    x = 6,548.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.