Home / 8,533.14-12,805.47-2,986.53

Finding the Fourth Proportional to 8,533.14, 12,805.47 and 2,986.53

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Solution

The fourth proportional to 8,533.14, 12,805.47 and 2,986.53 is: 4,481.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,533.14 : 12,805.47 = 2,986.53 : x
  2. Step 2: Convert to fraction form
    8,533.14/12,805.47 = 2,986.53/x
  3. Step 3: Cross multiply
    8,533.14x = 12,805.47 × 2,986.53
  4. Step 4: Simplify right side
    8,533.14x = 38,243,848.83
  5. Step 5: Solve for x
    x = 38,243,848.83/8,533.14
  6. Step 6: Final answer
    x = 4,481.81

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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.