Home / 8,872.89-13,318.56-6,535.53

Finding the Fourth Proportional to 8,872.89, 13,318.56 and 6,535.53

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Solution

The fourth proportional to 8,872.89, 13,318.56 and 6,535.53 is: 9,810.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872.89 : 13,318.56 = 6,535.53 : x
  2. Step 2: Convert to fraction form
    8,872.89/13,318.56 = 6,535.53/x
  3. Step 3: Cross multiply
    8,872.89x = 13,318.56 × 6,535.53
  4. Step 4: Simplify right side
    8,872.89x = 87,043,848.44
  5. Step 5: Solve for x
    x = 87,043,848.44/8,872.89
  6. Step 6: Final answer
    x = 9,810.09

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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.