Home / 8,320.07-12,475.93-2,771.48

Finding the Fourth Proportional to 8,320.07, 12,475.93 and 2,771.48

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Solution

The fourth proportional to 8,320.07, 12,475.93 and 2,771.48 is: 4,155.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320.07 : 12,475.93 = 2,771.48 : x
  2. Step 2: Convert to fraction form
    8,320.07/12,475.93 = 2,771.48/x
  3. Step 3: Cross multiply
    8,320.07x = 12,475.93 × 2,771.48
  4. Step 4: Simplify right side
    8,320.07x = 34,576,790.48
  5. Step 5: Solve for x
    x = 34,576,790.48/8,320.07
  6. Step 6: Final answer
    x = 4,155.83

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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.