Home / 8,704.42-12,010.35-5,518.96

Finding the Fourth Proportional to 8,704.42, 12,010.35 and 5,518.96

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Solution

The fourth proportional to 8,704.42, 12,010.35 and 5,518.96 is: 7,615.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,704.42 : 12,010.35 = 5,518.96 : x
  2. Step 2: Convert to fraction form
    8,704.42/12,010.35 = 5,518.96/x
  3. Step 3: Cross multiply
    8,704.42x = 12,010.35 × 5,518.96
  4. Step 4: Simplify right side
    8,704.42x = 66,284,641.24
  5. Step 5: Solve for x
    x = 66,284,641.24/8,704.42
  6. Step 6: Final answer
    x = 7,615.06

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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.