Home / 8,872.75-13,318.35-6,535.39

Finding the Fourth Proportional to 8,872.75, 13,318.35 and 6,535.39

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Solution

The fourth proportional to 8,872.75, 13,318.35 and 6,535.39 is: 9,809.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872.75 : 13,318.35 = 6,535.39 : x
  2. Step 2: Convert to fraction form
    8,872.75/13,318.35 = 6,535.39/x
  3. Step 3: Cross multiply
    8,872.75x = 13,318.35 × 6,535.39
  4. Step 4: Simplify right side
    8,872.75x = 87,040,615.34
  5. Step 5: Solve for x
    x = 87,040,615.34/8,872.75
  6. Step 6: Final answer
    x = 9,809.89

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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.